• 10servings
  • 105minutes

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Nutrition Info . . .

NutrientsCarbohydrates, Cellulose
VitaminsH, D
MineralsNatrium, Fluorine, Calcium, Cobalt

Ingredients Jump to Instructions ↓

  1. For the cake:

  2. 1 cup hot coffee

  3. 1 cup unsweetened cocoa powder

  4. 3 cups cake flour

  5. 2 teaspoons baking soda

  6. 3/4 teaspoon salt

  7. 1/2 teaspoon baking powder

  8. 2 sticks (8 ounces) unsalted butter, at room temperature

  9. 2 1/2 cups granulated sugar

  10. 4 large eggs

  11. 2 teaspoons vanilla extract

  12. For the mascarpone cream:

  13. 1 cup mascarpone

  14. 1/2 cup heavy cream

  15. 6 tablespoons granulated sugar

  16. 2 cups chocolate wafer bits

  17. For the chocolate buttercream:

  18. 4 ounces bittersweet chocolate

  19. 3 sticks (12 ounces) unsalted butter

  20. 2 tablespoons unsweetened cocoa powder

  21. 1 cup powdered sugar

  22. 1 teaspoon vanilla extract

  23. 24 chocolate wafers, broken into bits for decorating

Instructions Jump to Ingredients ↑

  1. For the cake:

  2. Heat the oven to 350°F. Butter and flour two 9-inch round cake pans. In a bowl, combine the coffee and cocoa powder and whisk until smooth. Add 1 cup cold water and whisk until combined. In a separate bowl, sift together the flour, baking soda, salt, and baking powder. Set aside.

  3. Using an electric mixer, beat the butter and sugar on medium speed until light and fluffy. Continue beating at medium speed while slowly adding the eggs and vanilla. Scrape down the sides of the bowl as necessary. Add the dry ingredients to the butter mixture alternately with the cocoa mixture until well combined. Pour into the prepared cake pans and bake until a toothpick inserted into the center of the cake comes out clean, about 45 minutes.

  4. Allow to cool 10 minutes in the cake pans, then turn out onto wire racks to cool completely.

  5. For the mascarpone cream:

  6. Whisk the mascarpone, cream, and sugar until stiff peaks form. Gently fold in the cookie bits using a rubber spatula. Set aside.

  7. For the chocolate buttercream:

  8. Melt the chocolate in a double boiler over low heat; set aside to cool. Combine the butter, cocoa powder, and powdered sugar and beat until smooth. Scrape down the sides of the bowl, and add the vanilla and cooled chocolate. Beat until well incorporated. Set aside at room temperature.

  9. To assemble:

  10. Trim both of the cake layers with a serrated knife until flat and uniform. Place one cake layer on a cake stand or platter, trimmed side up. Using a spatula, spread all of the mascarpone cream on top of the cake layer. Place the second layer directly on top, trimmed side down.

  11. Spread the chocolate buttercream over the top and sides of the cake, swirling it decoratively. Using your hands, lightly press cookie crumbs onto the bottom inch of the sides of the cake, creating a cookie crumb border.

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