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Ingredients7 h 55 m servings 720 cals
Original recipe yields 24 servings (1 3-layer cake)
- Preheat oven to 325 degrees F (165 degrees C). Grease three 9-inch baking pans with cooking spray. Line bottoms with parchment paper; grease paper.
- Place 6 ounces chocolate in a small bowl. Pour coffee over the chocolate and whisk until smooth. Let stand until slightly cooled, about 5 minutes.
- Whisk flour, 1 cup cocoa powder, baking soda, salt, and baking powder together in a bowl.
- Beat eggs in a stand mixer on high speed until lemon-colored. Beat in white sugar, coffee mixture, oil, and vanilla extract gradually until batter is well blended. Add flour mixture alternately with buttermilk, beating well after each addition.
- Divide batter evenly among the prepared baking pans.
- Bake in the preheated oven until a toothpick inserted into the center comes out clean, 30 to 35 minutes. Cool in the pans for 10 minutes. Invert onto cooling racks and let cool completely, about 30 minutes.
- Pour 2 1/2 cups heavy cream into a small saucepan; heat until it just boils.
- Place 20 ounces chocolate in a large bowl; pour hot cream on top and whisk until smooth. Let stand at room temperature, stirring occasionally, until slightly thickened, about 45 minutes. Refrigerate until ganache is set and spreadable, 4 to 5 hours.
- Combine 1/4 cup ganache, confectioners' sugar, butter, and 1/2 cup cocoa powder in a stand mixer fitted with a paddle attachment; beat on low speed until smooth. Increase speed to high and beat until buttercream is smooth and silky.
- Place one cake layer on a serving plate; spread 1/3 cup ganache on top. Repeat twice more. Spread remaining ganache around the sides of the cake. Refrigerate until set, about 30 minutes.
- Spread buttercream over the top and sides of the cake. Refrigerate until set, about 10 minutes.
- Pour 1 cup heavy cream into a small saucepan; heat until it just boils.
- Place 1 cup chocolate chocolate in a small bowl; pour hot cream on top and whisk until smooth. Drizzle glaze over cake. Refrigerate until glaze firms up, at least 30 minutes.
Per Serving: 720 calories; 42.8 g fat; 81 g carbohydrates; 7.5 g protein; 101 mg cholesterol; 341 mg sodium. Full nutrition
How can I make my cakes moist?
Why do my cakes fall?
My cakes do not rise evenly – they are tall in the middle, and slope down to the sides. What am I doing wrong?
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