Indulge in this decadent Tuxedo Cake inspired by the famous Costco version. Layers of moist chocolate cake sandwiched between rich white and dark chocolate mousses, topped with a glossy ganache. A show-stopping dessert for any occasion!
Author:nadia
Prep Time:45 minutes
Cook Time:30 minutes
Total Time:1 hour 30 minutes plus chilling
Yield:12 servings 1x
Category:Dessert
Method:Baking
Cuisine:American
Diet:Vegetarian
Ingredients
UnitsScale
For the chocolate cake layers:
2cups all-purpose flour
2cups granulated sugar
3/4cup unsweetened cocoa powder
2 teaspoons baking soda
1 teaspoon baking powder
1 teaspoon salt
1cup buttermilk
1cup hot water
1/2cup vegetable oil
2 large eggs
2 teaspoons vanilla extract
For the white chocolate mousse:
8oz white chocolate, chopped
1 1/2cups heavy whipping cream
1/4cup powdered sugar
1 teaspoon vanilla extract
For the dark chocolate mousse:
8oz dark chocolate, chopped
1 1/2cups heavy whipping cream
1/4cup powdered sugar
1 teaspoon vanilla extract
For the ganache topping:
1cup semi-sweet chocolate chips
3/4cup heavy cream
1 tablespoon butter
Instructions
Preheat oven: Preheat oven to 350°F (175°C) and prepare cake pans.
Mix dry ingredients: Whisk together flour, sugar, cocoa, baking soda, baking powder, and salt.
Combine wet ingredients: Mix buttermilk, hot water, oil, eggs, and vanilla in a separate bowl.
Blend batter: Gradually combine wet and dry ingredients until smooth. Bake.
Make mousses: Melt white and dark chocolates separately. Whip cream with sugar and vanilla, fold in melted chocolates.
Assemble cake: Layer chocolate cake with dark chocolate mousse, white chocolate mousse, and repeat. Chill.
Prepare ganache: Heat cream, pour over chocolate and butter, stir until smooth. Pour over cake.
Chill and serve: Refrigerate until set before serving.