Best 20 Chocolate Layer Cake Recipes

MOIST CHOCOLATE LAYER CAKE

Steps:

• Preheat oven to 325 degrees F (165 degrees C). Grease a 9x13-inch baking pan; dust pan with 2 teaspoons cocoa powder or as needed.
• Whisk cake flour, 3/4 cup cocoa, baking soda, baking powder, and salt in a bowl. Mix sugar and canola oil in a mixing bowl and beat with an electric mixer on medium speed until combined. Beat eggs into sugar and oil, one at a time, blending in the first egg before adding the second. Gradually beat milk, coffee, and vanilla extract into sugar mixture until smooth.
• Reduce mixer speed to low and beat flour mixture into wet ingredients. Stir sour cream into batter. Pour into prepared baking pan.
• Bake in the preheated oven until a toothpick inserted into the center of the cake comes out clean or with moist crumbs, about 40 minutes.

THREE-LAYER CHOCOLATE GANACHE CAKE

Steps:

• Preheat oven to 350°. Line bottoms of 3 greased 9-in. round baking pans with parchment; grease paper. In a large bowl, whisk flour, sugar, cocoa and baking soda. Beat in mayonnaise, coffee and vanilla. Transfer batter to prepared pans. Bake 30-35 minutes or until a toothpick inserted in center comes out clean. Cool in pans 10 minutes before removing to wire racks; remove paper. Cool completely., For filling, in a small heavy saucepan, mix sugar and cornstarch. Whisk in milk. Cook and stir over medium heat until thickened and bubbly. Reduce heat to low; cook and stir 2 minutes longer. Remove from heat; stir in vanilla. Cool completely. In a large bowl, cream butter. Gradually beat in cooled mixture. Stir in chocolate chips., For ganache, place chocolate in a large bowl. In a small saucepan, bring cream just to a boil. Pour over chocolate; let stand 5 minutes. Stir with a whisk until smooth. Stir in vanilla. Cool to room temperature, stirring occasionally. Refrigerate, covered, until cold. Beat ganache just until soft peaks form, 15-30 seconds (do not overbeat)., Place 1 cake layer on a serving plate; spread with half of the filling. Repeat layers. Top with remaining cake layer. Frost top and sides of cake with ganache. In a microwave-safe bowl, combine chocolate, cream and butter. Microwave at 50% power for 1-2 minutes or until smooth, stirring twice. Cool slightly, stirring occasionally. Drizzle over cake, allowing some to flow over sides. Refrigerate at least 2 hours before serving.

MOCHA LAYER CAKE WITH CHOCOLATE-RUM CREAM FILLING

Steps:

• For filling and topping:
• Stir first 3 ingredients in heavy large saucepan over medium-high heat until sugar dissolves and cream comes to simmer. Remove from heat. Add 20 ounces chocolate; whisk until melted and smooth. Whisk in rum and vanilla. Transfer 1 cup warm chocolate mixture to small bowl; whisk remaining 2 ounces chocolate into mixture in bowl and set aside for topping. Cover; let stand at room temperature. Transfer remaining chocolate mixture to large bowl to use as filling; chill until cold and thick, at least 6 hours and up to 1 day.
• For syrup:
• Stir water and sugar in small saucepan over low heat just until sugar dissolves. Remove from heat; mix in rum. Cover and let stand up to 1 day.
• For cake:
• Preheat oven to 350°F. Butter 9x9x2-inch metal baking pan. Line bottom with waxed paper; butter paper. Combine vanilla and coffee powder in cup; swirl to dissolve coffee. Sift flour, cocoa, and baking soda into small bowl. Using electric mixer, beat egg yolks and 1/2 cup sugar in medium bowl until very thick and light in color, about 3 minutes. Beat in vanilla-coffee mixture. Using clean dry beaters, beat egg whites, cream of tartar, and salt in large bowl until soft peaks form. Gradually add remaining 1/4 cup sugar, beating until stiff but not dry. Fold 1/3 of whites into yolk mixture. Fold in half of flour mixture. Fold in half of remaining whites, then remaining flour mixture, then remaining whites. Transfer batter to prepared pan; gently spread to even thickness.
• Bake cake until puffed and tester inserted into center comes out clean, about 18 minutes. Cool in pan on rack (cake may shrink slightly).
• Cut around pan to loosen cake. Turn out onto work surface; peel off paper. Using long serrated knife, cut cake horizontally in half. Place 1 half, cut side up, on platter. Drizzle half of syrup (about 3 1/2 tablespoons) over. Using electric mixer, beat cold chocolate filling until thick and lighter in color, less than 1 minute. Spread all of filling evenly over cake layer, aligning with sides of cake (filling will be about 1 inch thick). Drizzle remaining syrup over cut side of second cake layer. Place layer, syrup side down, atop filling; press to adhere. Rewarm topping over low heat just until pourable. Pour topping onto top center of cake. Using small spatula, spread topping to edges, being careful to keep it from spilling over. Chill cake up to 1 day, covering loosely with foil or with cake dome after 2 hours.
• Cut cake into 16 squares and serve.

CHOCOLATE-TOFFEE CRUNCH LAYER CAKE

Steps:

• Heat oven to 350°F (325°F for dark or nonstick pans). Spray bottoms and sides of 3 (8-inch) round cake pans with cooking spray.
• In large bowl, beat Cake ingredients with electric mixer on medium speed 2 minutes, scraping bowl occasionally. Pour 1 2/3 cups batter in each pan. Spread evenly.
• Bake 18 to 22 minutes or until toothpick inserted in center comes out clean. Cool 10 minutes; remove from pans to cooling racks. Cool completely, about 1 hour.
• Meanwhile, in small microwavable bowl, microwave 1/3 cup chocolate chips uncovered on High 30 seconds; stir. Continue to microwave in 15-second increments, stirring after each, until chips can be stirred smooth. Add almonds to bowl; stir until almonds are coated evenly with chocolate. Spread on waxed paper-lined cookie sheet. Refrigerate at least 30 minutes until chocolate is firm.
• Break chocolate-coated nuts into large pieces, and place in bowl of food processor. Cover and process until coarsely chopped. Place in small bowl; stir in toffee bits. Set aside.
• In small microwavable bowl, microwave 3/4 cup chocolate chips uncovered on High 60 seconds; stir halfway through. Continue to microwave in 15-second increments until chips can be stirred smooth; cool 10 minutes. In large bowl, beat butter and melted chocolate with electric mixer on medium speed until blended. On low speed, beat in powdered sugar, milk and vanilla, scraping side of bowl occasionally, until smooth and creamy.
• Place one cake layer on serving plate. Spread 2/3 cup of the frosting on top; sprinkle 2 tablespoons of the toffee bits crunch over top of frosting. Top with second cake layer. Spread 2/3 cup frosting on top; sprinkle 2 tablespoons of the toffee bits crunch over top of frosting; top with third cake layer. Fit decorating bag with medium star piping tip; fill with 3/4 cup of the frosting. Set aside.
• Frost sides with thin layer of frosting so sides are covered but cake still shows through. Spread remaining frosting on top. Using decorating bag, pipe stars on top edge of cake. Fill center with remaining toffee bits crunch. Refrigerate cake 30 minutes. If refrigerating cake longer than 30 minutes, let cake stand 10 minutes at room temperature before cutting. Store loosely covered in refrigerator.

TRIPLE-LAYER CHOCOLATE CAKE

Steps:

• In a large bowl, cream the butter, shortening and sugar until light and fluffy. Add eggs, one at a time, beating well after each addition. Stir in vanilla. Combine the flour, cocoa and baking soda; add to the creamed mixture alternately with buttermilk, beating well after each addition. Fold in coconut and pecans., Pour into three greased and floured 9-in. round baking pans. Bake at 350° for 20-25 minutes or until a toothpick inserted in the center comes out clean. Cool for 10 minutes before removing from pans to wire racks to cool completely., For frosting, in a large bowl, beat cream cheese and butter until fluffy. Add the confectioners' sugar, cocoa, vanilla and salt; beat until smooth. Spread frosting between layers and over top and sides of cake. Store in the refrigerator.

COFFEE-CHOCOLATE LAYER CAKE WITH MOCHA-MASCARPONE FROSTING

Steps:

• For cake:
• Position rack in center of oven; preheat to 325°F. Generously butter two 9-inch cake pans with 2-inch-high sides; dust with flour, tapping out any excess. Line bottom of pans with parchment paper.
• Sift 2 cups cake flour, cocoa, baking soda, and salt into medium bowl. Using electric mixer, beat butter in large bowl until smooth. Add brown sugar and beat until well blended, about 2 minutes. Add eggs 1 at a time, beating well after each addition. Mix in vanilla. Add flour mixture in 3 additions alternately with buttermilk in 2 additions, beating just until blended after each addition. Gradually add hot espresso-water mixture, beating just until smooth.
• Divide batter between pans; smooth tops. Bake cakes until tester inserted into center comes out clean, about 40 minutes. Cool cakes in pans on rack 15 minutes. Run small knife around sides of pans to loosen cakes. Invert cakes onto racks; lift pans off cakes and remove parchment. Place wire rack atop each cake; invert again so top side is up. Cool completely. DO AHEAD: Can be made 1 day ahead. Wrap each cake in plastic and store at room temperature.
• For frosting:
• Sift cocoa powder into large bowl; add espresso powder. Bring 1 cup cream to boil in small saucepan. Slowly pour cream over cocoa mixture, whisking until cocoa is completely dissolved, about 1 minute. Add 1/2 cup cream and sugar; stir until sugar dissolves. Chill until cold, at least 2 hours. DO AHEAD: Can be made 1 day ahead. Cover; keep chilled.
• Add mascarpone to chilled cocoa mixture. Using electric mixer, beat on low speed until blended and smooth. Increase speed to medium-high; beat until mixture is thick and medium-firm peaks form when beaters are lifted, about 2 minutes (do not overbeat or mixture will curdle).
• Using pastry brush, brush off crumbs from cakes. Place 1 cake layer, top side up, on platter. Spoon 13/4 cups frosting in dollops over top of cake. Using offset spatula, spread frosting to edges. Top with second cake layer, top side up, pressing to adhere. Spread thin layer of frosting over top and sides of cake. Chill 10 minutes. Using offset spatula, spread remaining frosting over top and sides of cake, swirling decoratively. Top with chocolate curls, if desired. DO AHEAD: Can be made 1 day ahead. Cover with cake dome; chill. Let stand at room temperature 20 minutes before serving.
• *An Italian cream cheese; sold at many supermarkets and at Italian markets.

FOURTEEN LAYER CHOCOLATE CAKE

Steps:

• Preheat oven to 350 degrees F (175 degrees C). Grease and flour 4 or 5 - 8 inch round cake pans.
• In a large bowl, cream together the shortening, 1/2 cup butter and 2 cups sugar until light and fluffy. Add the eggs one at a time, beating well with each addition, then stir in the vanilla. Add the flour alternately with the 3 cups milk; beat well. Pour 1/4 cup of batter into each prepared pan, and spread evenly. You will need to bake the layers in two or three batches.
• Bake for 5 to 7 minutes in the preheated oven, just until the layers are dried out. Do not brown.
• To make the frosting: In a saucepan over medium heat, combine 3 cups sugar, 1 cup butter, cocoa, water and 2 cups evaporated milk. Bring the mixture to a rolling boil, stirring frequently, then boil for 2 minutes. Remove from heat and beat for one minute with an electric mixer. Stack cake layers with icing in between, letting the icing run down the sides of the cake. Smooth the sides and top with the remaining icing.

CHOCOLATE GANACHE LAYER CAKE

Steps:

• Preheat the oven to 350 degrees F (175 degrees C). Grease two 9-inch round cake pans.
• Place butter and unsweetened chocolate in the top of a double boiler over simmering water. Stir frequently, scraping down the sides with a rubber spatula to avoid scorching, until melted, about 5 minutes.
• Combine flour, sugar, cocoa, baking soda, and salt in a large bowl using an electric mixer.
• Combine buttermilk and eggs in another bowl and add melted chocolate mixture. Beat into flour mixture on low speed for 1 minute; increase speed to high and beat until light and fluffy, about 2 minutes. Divide batter between the prepared cake pans.
• Bake in the preheated oven until the cake springs back when lightly pressed, 25 to 30 minutes. Set aside and let cool.
• Meanwhile, bring cream to a boil in a saucepan over medium-high heat. Immediately remove from heat and stir in chocolate chips until it thickens and is smooth. Allow to cool slightly, about 10 minutes.
• Place one cooled cake layer on a cake plate and spread with a layer of ganache frosting. Lay the second layer on top and use remaining ganache frosting to cover the top and sides of the cake.

CHOCOLATE LAYER CAKE WITH RASPBERRY CREAM FILLING

Steps:

• CHOCOLATE CAKE.
• Prepare Chocolate Cake according to package directions in two 9 inch cake pans.
• Cool completely. For best results and time permitting, place the layers in freezer until firm.
• RASPBERRY CREAM FILLING.
• Place softened cream cheese and jam in a mixing bowl and cream together until well incorporated, about 2 minutes.
• Add powdered sugar, one cup at a time, until it reaches desired consistency. Use more or less than 2 cups, as desired.
• Frost only ONE of the cooled layers leaving a 1 inch unfrosted margin all around the edge of the layer. Then place the other layer on the Raspberry Filling. The top layer will push the Raspberry Filling toward the edges of the cake, that's why it's important to leave the 1 inch margin.
• CHOCOLATE FROSTING.
• Beat the frosting in mixing bowl for 2-3 minutes.
• Completely frost the sides of the cake.
• Put remaining frosting in decorating bag. Using a large star tip, create a shell border around the top of the cake. The border will keep the ganache on top of the cake. Place cake in refrigerator until ganache is ready.
• RASPBERRY CHOCOLATE GANACHE.
• Combine cocoa, sugar and cornstarch in a saucepan and whisk.
• Gradually add water and jam, continue to whisk the mixture.
• Bring to a simmer over medium heat, whisking constantly.
• Remove from the heat and stir in raspberry liqueur, if using.
• Let cool slightly.
• Remove cake from refrigerator and pour/spread ganache on top.
• Garnish with candies or raspberries.

DOUBLE CHOCOLATE LAYER CAKE

Steps:

• Preheat the oven to 350 degrees F (175 degrees C). Grease and flour two 9-inch round cake pans.
• Melt butter and unsweetened chocolate together in a saucepan over low heat, stirring constantly, about 5 minutes.
• Combine flour, sugar, baking soda, salt, and cocoa powder in a large bowl of an electric mixer. Add melted chocolate mixture, buttermilk, and eggs. Beat on low speed for 1 minute; increase speed to high and beat until light and fluffy, about 2 minutes. Divide batter between the prepared cake pans.
• Bake in the preheated oven until cakes spring back when gently pressed, 25 to 30 minutes. Cool in the pans for 5 minutes; invert onto a wire rack to cool completely.
• Meanwhile, bring cream just to a boil in a saucepan. Remove from heat and stir in chocolate chips; mix until frosting is smooth and starts to thicken.
• Place 1 cooled cake layer on a cake plate. Spread with 1/3 cup frosting. Top with second layer. Frost the top and sides with remaining frosting.

GODIVA CHOCOLATE LAYER CAKE

Steps:

• For the buttercream: cream butter until smooth.
• Sift the sugar and cocoa powder over the butter, add 1/3 cup of Godiva liqueur and slowly mix until smooth.
• For the cake: sift together the flour, baking soda and salt; set aside.
• Cream the butter and sugar and add the eggs one at a time beating after each addition.
• On low speed, stir in the chocolate and gradually add the reserved sifted ingredients in three additions, alternating with the buttermilk and 1/2 of the liqueur, beat until smooth.
• Divide the batter among 3 greased and floured 9" cake pans.
• Bake in a preheated oven 375: for 25 minutes or until a toothpick inserted in center comes out clean.
• Remove from oven and cool in pans for 10 minutes, then invert onto rack to cool completely.
• Chill the layers in the freezer for about 30 minutes until firm.
• To assemble the cake: remove the cake layers from the freezer and brush with the remaining liqueur before spreading 3/4 cup of the buttercream between each layer.
• Spread the remaining buttercream over the top and sides of the cake which has been placed on a serving plate.
• Serve immediately or refrigerate. If not serving immediately and have it stored in the refrigerator, remove the cake 1 hour prior to serving.
• Garnish with chocolate curls if using.

MALTED CHOCOLATE & STOUT LAYER CAKE

Steps:

• Grease and flour three 9-in. round baking pans; set aside., In a large saucepan, combine beer, butter and chocolate. Cook and stir over medium-low heat until butter and chocolate are melted. Remove from heat; whisk in milk powder and cocoa. Transfer to a large bowl. Let stand 15 minutes. , Preheat oven to 350°. Add sour cream and eggs to chocolate mixture; beat until well blended. Combine sugar, flour, baking soda and salt; gradually beat into chocolate mixture until blended. Pour batter into prepared pans., Bake until a toothpick inserted in the center comes out clean, 32-36 minutes. Cool 10 minutes before removing from pans to wire racks to cool completely., In a large heavy saucepan, bring sugar and liqueur to a gentle boil over medium heat; cook until sugar is dissolved. Remove from heat. Add a small amount of hot mixture to egg yolks; return all to pan, stirring constantly. Cook until mixture thickens, about 2 minutes longer, stirring constantly. Remove from heat; stir in vanilla. Cool to room temperature., In a large bowl with a whisk attachment, cream butter until fluffy, about 5 minutes. Gradually beat in sugar mixture. Add milk powder; beat until fluffy, about 5 minutes. If necessary, refrigerate until frosting reaches spreading consistency., Place bottom cake layer on a serving plate; spread with 2/3 cup frosting. Repeat layers. Top with remaining cake layer. Spread remaining frosting over top and sides of cake. Refrigerate at least 1 hour before serving. If desired, top with chopped malted milk balls.

STRAWBERRY-WHITE CHOCOLATE LAYER CAKE

Steps:

• Let eggs stand at room temperature for 30 minutes. Line three greased 9-in. round baking pans with waxed paper and grease paper; set aside., In a large bowl, cream butter and sugar until light and fluffy. Add egg yolks, one at a time, beating well after each addition. Add the extracts. In a small bowl, combine buttermilk and water., Combine the flour, baking soda and salt; add to the creamed mixture alternately with buttermilk mixture, beating well after each addition. Stir in chocolate. In a small bowl, beat egg whites until stiff peaks form; fold into batter. Pour into prepared pans., Bake at 350° for 20-25 minutes or until a toothpick inserted in the center comes out clean. Cool for 10 minutes before removing from pans to wire racks; gently peel off waxed paper., For frosting, in a large bowl, cream butter and confectioners' sugar until light and fluffy. Beat in jam. Spread between layers and over top of cake. Store in the refrigerator.

PEANUT BUTTER CHOCOLATE LAYER CAKE

Steps:

• Preheat the oven to 350 degrees F (175 degrees C). Grease and line two 9-inch round cake pans with parchment paper.
• Beat butter and peanut butter for cake together with an electric mixer at medium speed until blended; gradually add brown sugar, beating well. Add eggs, one at a time, beating after each egg.
• Combine flour, baking powder, and salt in a bowl; add to peanut butter mixture alternately with milk, beginning and ending with flour mixture. Mix at low speed after each addition until blended. Stir in vanilla extract. Pour batter evenly between the prepared cake pans.
• Bake in the preheated oven until a toothpick inserted into the center of each cake comes out clean, 30 to 35 minutes. Remove from the oven and cool completely on a wire rack.
• While cakes cool, place unsweetened and semisweet chocolate in the top of a double boiler; bring water to a simmer and cook until chocolate melts, stirring often, 3 to 5 minutes. Remove from heat.
• Beat 1 cup butter with an electric mixer at medium speed until creamy. Add melted chocolate, powdered sugar, cocoa powder, milk, and vanilla extract; beat until spreading consistency.
• Place peanut butter and 1/2 cup butter in a small bowl. Beat with electric mixer at medium speed until creamy. Add powdered sugar gradually, alternately with milk, until frosting is thick and spreadable. Beat an additional 3 minutes.
• Remove 1 cooled cake layer from its pan and frost with chocolate buttercream frosting. Place second cake on top and complete frosting with chocolate buttercream.
• Frost a thick line on the top and bottom edges of the cake with peanut butter frosting using a frosting pouch fitted with a cake decorating tip. Place 16 dollops of peanut butter frosting around the perimeter of the cake. Place mini peanut butter cups on each dollop. Serve immediately.

CHOCOLATE-PEANUT BUTTER LAYER CAKE

Steps:

• Preheat the oven to 350 degrees F (175 degrees C). Grease and flour three 8-inch cake pans.
• Mix sugar, oil, sour cream, cocoa powder, eggs, vinegar, vanilla, and salt together in a mixing bowl. Add flour and water in batches, mixing and alternating between each, until incorporated. Whisk to create a smooth batter. Pour evenly into the prepared cake pans.
• Bake in the preheated oven until a toothpick inserted into the center of each layer comes out clean, about 30 minutes. Cool on a wire rack for 5 minutes. Run a table knife around the edges to loosen. Invert carefully onto a serving plate or cooling rack. Let cool, about 30 minutes.
• Combine cream cheese and butter for frosting in a very large mixing bowl with an electric mixer. Slowly add confectioners' sugar a few cups at a time until smooth. Mix in peanut butter to incorporate thoroughly.
• Generously distribute the frosting between the layers of the cake and on the top and sides. This frosting is a bit firm and easy to work with. At this point, place the cake in the refrigerator for at least 1 hour to set; it will be extremely heavy.
• Microwave chocolate, peanut butter, and corn syrup for glaze together in short 30-second intervals, mixing between each, until the chocolate is melted. Whisk in half-and-half until smooth. While warm, drizzle over the frosted cake.
• Place the cake back into the refrigerator to set, about 30 minutes. Remove the cake from the refrigerator 30 minutes to 1 hour before serving.

OLD-FASHIONED CHOCOLATE LAYER CAKE

Steps:

• For cake:
• Preheat oven to 350°F. Butter and flour three 9-inch round cake pans with 1 1/2-inch-high sides. Combine water, chocolate and coffee powder in heavy small saucepan. Stir over low heat until chocolate melts and coffee powder dissolves. Remove from heat. Cool.
• Beat sugar and butter in large bowl until well blended. Beat in eggs and vanilla. Beat in chocolate mixture. Mix flour and baking soda in medium bowl. Add to butter mixture and beat just until combined. Beat in sour cream.
• Divide batter among prepared pans. Bake until cakes begin to pull away from sides of pans and tester inserted into center comes out clean, about 25 minutes. Transfer pans to racks and cool 10 minutes. Using small knife, cut around sides of pans to loosen cakes. Turn cakes out onto racks and cool completely. (Can be prepared 1 day ahead. Wrap tightly in plastic and store at room temperature.)
• For frosting:
• Melt butter and chocolate in small saucepan over low heat, stirring until smooth. Transfer to large bowl; cool. Add sugar, cream and vanilla; beat until smooth. If necessary, refrigerate until firm enough to spread.
• Place 1 cake layer on platter. Spread 1/2 cup frosting over top. Top with another cake layer. Spread 1/2 cup frosting over top. Top with remaining cake layer. Spread remaining frosting over sides and top of cake in decorative swirls. (Can be prepared 1 day ahead. Cover with cake dome and store at cool room temperature.)

CHOCOLATE LAYER CAKE WITH MILK CHOCOLATE FROSTING

Steps:

• Make cake:
• Put oven rack in middle position and preheat oven to 350°F. Butter 2 (9- by 2-inch) round cake pans and line bottom of each with a round of parchment or wax paper. Butter paper and dust pans with flour, knocking out excess.
• Sift together flour, cocoa, baking soda, and salt into a small bowl. Beat together butter and sugars in a large bowl using an electric mixer at medium-high speed until light and fluffy, 3 to 4 minutes in a standing mixer or 4 to 5 minutes with a handheld. Add eggs 1 at a time, beating well after each addition. Add chocolate and vanilla and beat until just combined. Reduce speed to low and add flour mixture and buttermilk alternately in 3 batches, beginning and ending with flour mixture and mixing until just combined.
• Divide batter between cake pans, spreading evenly, and bake until a wooden pick or skewer inserted in center of each cake layer comes out clean, 25 to 35 minutes.
• Cool cake layers in pans on racks 10 minutes. Run a thin knife around edge of each layer, then invert onto racks. Peel off paper and cool layers completely.
• Make frosting:
• Heat milk in a 1- to 1 1/2-quart heavy saucepan over moderate heat until hot. Whisk together yolks, flour, 1/3 cup confectioners sugar, and a pinch of salt in a bowl, then add hot milk in a stream, whisking. Transfer custard to saucepan and bring to a boil over moderate heat, whisking. Reduce heat and simmer, whisking, 2 minutes (mixture will be very thick), then transfer to a large bowl. Cover surface of custard with a buttered round of wax paper and cool completely, about 45 minutes.
• Add vanilla and remaining cup confectioners sugar to custard and beat with cleaned beaters at moderate speed until combined well, then increase speed to medium-high and beat in butter, 2 tablespoons at a time, until smooth. Add chocolates and beat until combined well.
• Frost cake:
• Halve each cake layer horizontally using a long serrated knife. Layer cake, using a heaping 1/2 cup frosting between each layer, then frost top and sides with remaining frosting.

SALTED-CARAMEL SIX-LAYER CHOCOLATE CAKE

Steps:

• Preheat oven to 350 degrees. Make the cake: Butter three 9-inch round cake pans, and dust with flour, tapping out excess. Sift flour, granulated sugar, cocoa, baking soda, baking powder, and 1 1/2 teaspoons coarse salt into the bowl of a mixer. Beat on low speed until just combined. Raise speed to medium, and add eggs, buttermilk, 1 1/2 cups warm water, oil, and vanilla. Beat until smooth, about 3 minutes.
• Divide batter among pans. Bake until cakes are set and a toothpick inserted into the center of each comes out clean, about 35 minutes. Let cool in pans set on a wire rack for 15 minutes. Turn out cakes onto racks, and let cool completely.
• Make the caramel: Combine granulated sugar, corn syrup, and 1/4 cup water in a medium saucepan over high heat. Cook, without stirring, until mixture is dark amber, about 14 minutes. Remove from heat, and carefully pour in cream (mixture will spatter); stir until smooth. Return to heat, and cook until a candy thermometer reaches 238 degrees, about 2 minutes. Pour caramel into a medium bowl, stir in 1 teaspoon coarse salt, and let cool slightly, about 15 minutes. Stir in butter, 1 tablespoon at a time. Let cool completely.
• Meanwhile, make the frosting: Whisk together cocoa and 1/4 cup plus 2 tablespoons warm water in a bowl until cocoa dissolves. Beat butter, confectioners' sugar, and a generous pinch of coarse salt in a clean bowl with a mixer on medium speed until pale and fluffy. Gradually beat in melted chocolate and then cocoa mixture until combined. Let stand for 30 minutes before using.
• Trim tops of cakes using a serrated knife to create a level surface. Cut each in half horizontally to form 2 layers. Transfer 1 layer to a serving platter, and spread 3/4 cup caramel over top. Top with another cake layer, and repeat with remaining caramel and cake layers, leaving top uncovered. Refrigerate until set, about 1 hour.
• Frost top and sides of cake in a swirling motion. Sprinkle with sea salt.

MOCHA LAYER CAKE WITH CHOCOLATE-RUM CREAM FILLING

Steps:

• For filling and topping: Stir first 3 ingredients in heavy large saucepan over medium-high heat until sugar dissolves and cream comes to simmer.
• Remove from heat.
• Add 20 ounces chocolate; whisk until melted and smooth.
• Whisk in rum and vanilla.
• Transfer 1 cup warm chocolate mixture to small bowl; whisk remaining 2 ounces chocolate into mixture in bowl and set aside for topping.
• Cover; let stand at room temperature.
• Transfer remaining chocolate mixture to large bowl to use as filling; chill until cold and thick, at least 6 hours and up to 1 day.
• For syrup: Stir water and sugar in small saucepan over low heat just until sugar dissolves.
• Remove from heat; mix in rum.
• Cover and let stand up to 1 day.
• For cake: Preheat oven to 350°F.
• Butter 9x9x2-inch metal baking pan.
• Line bottom with waxed paper; butter paper.
• Combine vanilla and coffee powder in cup; swirl to dissolve coffee.
• Sift flour, cocoa, and baking soda into small bowl.
• Using electric mixer, beat egg yolks and 1/2 cup sugar in medium bowl until very thick and light in color, about 3 minutes.
• Beat in vanilla-coffee mixture.
• Using clean dry beaters, beat egg whites, cream of tartar, and salt in large bowl until soft peaks form.
• Gradually add remaining 1/4 cup sugar, beating until stiff but not dry.
• Fold 1/3 of whites into yolk mixture.
• Fold in half of flour mixture.
• Fold in half of remaining whites, then remaining flour mixture, then remaining whites.
• Transfer batter to prepared pan; gently spread to even thickness.
• Bake cake until puffed and tester inserted into center comes out clean, about 18 minutes.
• Cool in pan on rack (cake may shrink slightly).
• Cut around pan to loosen cake.
• Turn out onto work surface; peel off paper.
• Using long serrated knife, cut cake horizontally in half.
• Place 1 half, cut side up, on platter.
• Drizzle half of syrup (about 3 1/2 Tablespoons) over cake.
• Using electric mixer, beat cold chocolate filling until thick and lighter in color, less than 1 minute.
• Spread all of filling evenly over cake layer, aligning with sides of cake (filling will be about 1 inch thick).
• Drizzle remaining syrup over cut side of second cake layer.
• Place second layer, syrup side down, atop filling; press to adhere.
• Rewarm topping over low heat just until pourable.
• Pour topping onto top center of cake.
• Using small spatula, spread topping to edges, being careful to keep it from spilling over.
• Chill cake up to 1 day, covering loosely with foil or with cake dome after 2 hours of chilling.
• Cut cake into 16 squares and serve.

DARK CHOCOLATE LAYER CAKE

Steps:

• In a large bowl, beat the sugar, buttermilk, coffee, eggs, oil, chocolate and vanilla until well blended. In another large bowl, combine the flour, cocoa, baking soda, baking powder and salt; gradually beat into buttermilk mixture until blended., Pour into three greased and floured 9-in. round baking pans. Bake at 350° for 30-35 minutes or until a toothpick inserted in the center comes out clean. Cool for 10 minutes before removing from pans to wire racks to cool completely., For frosting, combine the cream, sugar and corn syrup in a small saucepan. Bring to a full boil over medium heat, stirring constantly. Remove from the heat; stir in chocolate and butter until melted. , Transfer to a large bowl. Cover and refrigerate until desired consistency, stirring occasionally. Spread frosting between layers and over top and sides of cake. Store in the refrigerator.