TUTTI-FRUTTI POUND CAKE

Steps:

• Cake: Preheat oven to 350 degrees. Coat an 8 1/2-by-4 1/2-inch loaf pan with cooking spray. Line with parchment, leaving a 2-inch overhang on long sides. Coat parchment with cooking spray, then dust with flour, tapping out excess. Whisk together flour, salt, and baking powder in a bowl.
• Beat butter and cream cheese in a large bowl until creamy. Add granulated sugar and beat until light and fluffy, about 3 minutes. Add eggs, one at a time, beating to combine after each addition. Beat in vanilla. With mixer on low speed, gradually add flour mixture, beating to combine.
• Transfer batter to prepared pan, smoothing top with an offset spatula. Bake on a baking sheet until a tester inserted in center comes out clean, about 1 hour, 10 minutes, tenting with foil after 50 minutes. Let cool 10 minutes in pan on a wire rack, then turn out onto rack, top-side up, and let cool completely, about 3 hours.
• Slice cake in half horizontally. Slice each portion in half again to create 4 equal slices.
• Filling: Bring 2 cups peaches, granulated sugar, salt, and 1/3 cup water to a boil in a medium saucepan. Reduce to a simmer and cook, covered, until fruit is tender, about 5 minutes. Let cool slightly, then puree mixture in a food processor until smooth (you should have about 1 1/2 cups).
• Prepare an ice-water bath. Sprinkle gelatin over 1/4 cup water in a small saucepan. Let sit until softened, about 5 minutes. Heat over medium, stirring until gelatin is dissolved. Stir in peach mixture to combine. Transfer to a large bowl; place in ice bath and let stand, stirring frequently, until beginning to set, about 6 minutes. Stir in remaining 1 1/2 cups peaches and cherries. Whisk cream to stiff peaks, then fold into peach mixture. Continue stirring over ice bath until mixture will hold its shape when dropped off a spoon.
• Line loaf pan with plastic wrap, leaving an overhang on all sides. Place bottom cake layer in pan. Spread 1 cup peach mixture over cake. Repeat with remaining cake layers and filling, ending with top cake layer. Wrap plastic around cake and refrigerate until set, at least 4 hours and up to 2 days, before removing from pan using plastic. (If desired, trim edges of assembled cake.) Dust with confectioners' sugar just before serving.