The Ultimate Chocolate Cake Recipe From A Box

Steps:

• For the cake: Arrange a rack in the center of oven and preheat to 350 degrees F. Lightly coat two 9-inch round cake pans with nonstick cooking spray. Line the bottoms with parchment paper rounds and lightly coat the paper with nonstick spray. Dust the bottom and sides of each pan with Dutch-process cocoa powder, tapping out excess.
• Sift the cocoa powder, flour, baking soda and baking powder into the bowl of a stand mixer. Beat on low speed to combine. Add the eggs, egg yolks, brown sugar, sour cream, oil, vanilla, salt and 1 cup of hot water. Beat on medium speed until completely smooth, about 3 minutes.
• Scrape the batter evenly into the prepared pans. Smooth the tops. Bake, rotating the pans halfway through, until a tester inserted into the centers comes out clean, 35 to 45 minutes. Transfer the pans to a wire rack and let the cakes cool for 30 minutes. Run a knife around the sides of the cakes and invert onto the wire rack. Remove the parchment and let the cakes cool completely.
• Trim the domes of the cake rounds with a large serrated knife so the tops are flat.
• For the frosting: Melt the chocolate in a medium heatproof bowl set over simmering water in a medium saucepan. Remove from the simmering water and let it cool to room temperature, about 30 minutes.
• Beat the butter and salt in a large bowl with an electric mixer on high speed until light and fluffy, about 2 minutes. Reduce the speed to low, drizzle in the chocolate and beat until completely blended. Gradually beat in the confectioners' sugar, cocoa powder and vanilla. Increase the speed to high and beat until light and fluffy, about 2 minutes.
• To assemble the cake: Place one cake, cut-side down, on a platter. Spread 1 1/2 cups of the frosting evenly over the top. Place the remaining cake, cut-side down, on top. Spread the top with 1 1/2 cups of the frosting. Frost the sides of the cake with 3/4 cup of the frosting and smooth out completely to make an even crumb coat. (It's ok if some of the cake shows through. This is just a base layer.) Refrigerate for 30 minutes to let the frosting set.
• Spread the remaining frosting over the top and sides, swirling decoratively.

Steps:

• Preheat oven to 350 degrees F (175 degrees C). Grease and flour two 9 inch cake pans.
• Use the first set of ingredients to make the cake. In a medium bowl, stir together the sugar, flour, cocoa, baking soda, baking powder and salt. Add the eggs, milk, oil and vanilla, mix for 3 minutes with an electric mixer. Stir in the boiling water by hand. Pour evenly into the two prepared pans.
• Bake for 30 to 35 minutes in the preheated oven, until a toothpick inserted comes out clean. Cool for 10 minutes before removing from pans to cool completely.
• To make the frosting, use the second set of ingredients. Cream butter until light and fluffy. Stir in the cocoa and confectioners' sugar alternately with the milk and vanilla. Beat to a spreading consistency.
• Split the layers of cooled cake horizontally, cover the top of each layer with frosting, then stack them onto a serving plate. Frost the outside of the cake.

Steps:

• Preheat oven to 350°F.
• Grease and flour 3- 9 inch cake pans.
• Mix cocoa and boiling water, stir until smooth, set aside to cool.
• Sift dry ingredients together, set aside.
• In a large bowl beat butter sugar, eggs and vanilla together.
• Alternately beat in the dry ingredients and the chocolate mixture.
• Beat just until blended, do not overmix.
• Pour batter into the three greased pans and bake for about 30 minutes or until a cake tester comes out clean.
• Remove cakes from oven and allow them to set for 3-5 minutes.
• Remove from pans and cool completely on a wire rack before frosting.
• Prepare filling by beating together cream, confectioner's sugar and vanilla until stiff.
• Set aside.
• Prepare frosting by melting the butter and chocolates together over low heat.
• Stir in the cream and mix until smooth.
• Remove the pan from the heat and place it in a large bowl filled with ice.
• Using an electric hand held mixer or a whisk (trust me, the electric mixer will be much easier), beat in the confectioner's sugar until the frosting holds a stiff shape.
• Chill.
• Before you put the cake together, make sure that everything has completely cooled.
• Divide the filling in two and spread it between the layers.
• Frost sides and top with the chocolate icing.
• Don't worry if some of the filling oozes out the sides while you are frosting them, just mix it into the frosting.

Steps:

• Preheat oven to 350°. Line three 9-in. round baking pans with waxed paper; grease and flour the pans and paper. Set aside., In a large bowl, cream butter and sugar until light and fluffy, 5-7 minutes. Add eggs, one at a time, beating well after each addition. Beat in vanilla. Combine the flour, cocoa, baking soda, salt and baking powder; add to the creamed mixture alternately with milk, beating well after each addition., Transfer to prepared pans. Bake until a toothpick inserted in the center comes out clean, 20-25 minutes. Cool for 10 minutes before removing from pans to wire racks to cool completely., For frosting, in a small heavy saucepan, melt chips and butter over low heat. Transfer to a large bowl; cool for 5 minutes. Stir in sour cream. Gradually beat in confectioners' sugar until smooth. Spread between layers and over top and sides of cake. If desired, top with chocolate curls. Refrigerate leftovers.