VANILLA SHEET CAKE WITH CHOCOLATE-GANACHE BUTTERCREAM

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Vanilla Sheet Cake with Chocolate-Ganache Buttercream image

The quintessential birthday cake is reborn as an ultra-moist sheet cake. Rather than the usual cocoa powder-confectioners' sugar combo, the state-of-the-art frosting is a chocolate ganache that gets whipped with plenty of butter into glossy swoops.

Provided by Martha Stewart

Categories     Food & Cooking     Dessert & Treats Recipes     Cake Recipes

Time 1h15m

Yield Serves 16 to 20

Number Of Ingredients 13

1 1/2 sticks unsalted butter, room temperature, plus more for pan
1 1/2 cups sugar
2 1/4 teaspoons baking powder
1 1/2 teaspoons kosher salt
1 large egg plus 4 large yolks, room temperature
Scraped seeds from 1 vanilla bean, or 2 teaspoons pure vanilla paste
1 teaspoon pure vanilla extract
2 1/4 cups unbleached all-purpose flour
3/4 cup whole milk, room temperature
8 ounces semisweet chocolate, finely chopped (1 3/4 cups)
3/4 cup heavy cream
1 tablespoon light corn syrup
1 1/2 sticks unsalted butter, room temperature, cut into pieces

Steps:

  • Cake: Preheat oven to 350 degrees. Butter a 9‐by‐13‐inch baking pan. Beat butter with sugar, baking powder, and salt on medium speed until light and fluffy, about 3 minutes. Add egg and yolks, one at a time, beating to combine after each addition and scraping down sides as needed. Beat in both vanillas, then flour in three additions, alternating with milk and beginning and ending with flour. Scrape batter into prepared pan, smoothing top with an offset spatula.
  • Bake until a tester inserted in center comes out with a few moist crumbs, 35 to 40 minutes. Transfer pan to a wire rack; let cool completely.
  • Buttercream: Place chocolate in a heatproof mixing bowl. In a small saucepan, bring cream and corn syrup to a boil. Pour mixture over chocolate; let stand 2 minutes, then stir until smooth. Let cool 30 minutes.
  • Beat, gradually adding butter, until all has been added and buttercream is silky and smooth. Continue beating, scraping down bowl as needed, until light and fluffy, about 1 minute more. Makes about 3 cups. Use immediately.
  • Assembly: Spread buttercream evenly over cake. (Leftovers can be refrigerated, wrapped in plastic, up to 3 days.)

Mmpunga Asdrid
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Overall, this is a good recipe for a vanilla sheet cake with chocolate ganache buttercream. With a few adjustments, it could be even better.


Shoaib Tanhaa
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The chocolate ganache buttercream is a bit too runny. I would recommend chilling it for a bit longer before frosting the cake.


Kandice Schwartz
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This cake is a bit dry. I would recommend adding some more liquid to the batter, such as milk or buttermilk.


Nizami Nizami
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The chocolate ganache buttercream is a bit too rich for my taste. I would recommend using a lighter frosting, such as a vanilla buttercream or whipped cream.


Linda Newell
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I had some trouble getting the cake to rise evenly. I think I might have overmixed the batter. Other than that, the cake was delicious.


Azmir FF
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This cake is a bit too sweet for my taste, but it's still very good. I would recommend using a little less sugar in the cake batter and frosting.


Zteep
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I've tried several different vanilla sheet cake recipes, but this one is by far the best. The cake is so moist and flavorful, and the chocolate ganache buttercream is to die for. I highly recommend this recipe.


Logan Patzke
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This cake is a bit time-consuming to make, but it's worth the effort. The end result is a beautiful and delicious cake that's perfect for any special occasion.


Adesina oladimeji
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I'm not a huge fan of vanilla cake, but this recipe changed my mind! The cake is so moist and flavorful, and the chocolate ganache buttercream is the perfect topping. I'll definitely be making this cake again.


PT Boy
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This cake is the perfect combination of sweet and rich. The vanilla cake is light and fluffy, while the chocolate ganache buttercream is decadent and creamy. I love the way the two flavors complement each other.


Lenka Hor√°kov√°
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I made this cake for my daughter's birthday party and it was a huge success! The kids loved the chocolate ganache buttercream and the cake was so moist and flavorful. I'll definitely be making this cake again.


Bilal Shahid
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I love that this recipe is easy to follow and doesn't require any special ingredients or equipment. It's perfect for beginner bakers or anyone who wants to make a delicious cake without a lot of fuss.


Michael Villarreal
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I've made this cake several times now and it's always a hit with my family and friends. The chocolate ganache buttercream is especially delicious and pairs perfectly with the vanilla cake.


Lola Ahmeed
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This vanilla sheet cake with chocolate ganache buttercream is an absolute delight! The cake is moist and fluffy, and the chocolate ganache buttercream is rich and decadent. I highly recommend this recipe for any special occasion.