Tiramisu Layer Cake

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Ingredients

Cake

  • 1 (18.25 ounce) box moist white cake mix
  • 1 teaspoon instant coffee powder
  • 1/4 cup coffee
  • 1 tablespoon coffee flavored liqueur

Filling

  • 1 (8 ounce) container mascarpone cheese
  • 1/2 cup confectioners' sugar
  • 2 tablespoons coffee flavored liqueur

Frosting

  • 2 cups heavy cream
  • 1/4 cup confectioners' sugar
  • 2 tablespoons coffee flavored liqueur

Garnish

  • 2 tablespoons unsweetened cocoa powder
  • 1 (1 ounce) square semisweet chocolate

Instructions

  1. Heat oven to 350 degrees F (175 degrees C). Grease and flour 3 (9 inch) pans.
  2. Cake: Prepare the cake mix according to package directions. Divide two thirds of batter between 2 pans. Stir instant coffee into remaining batter; pour into remaining pan.
  3. Bake in the preheated oven for 20 to 25 minutes, or until a wooden pick inserted into the center of the cake comes out clean.
  4. Let cool in pan for 10 minutes, then turn out onto a wire rack and cool completely.
  5. In a measuring cup, combine brewed coffee and 1 tablespoon coffee liqueur; set aside.
  6. Filling: In a small bowl, using an electric mixer set on low speed, combine mascarpone, 1/2 cup confectioners' sugar and 2 tablespoons coffee liqueur; beat just until smooth. Cover with plastic wrap and refrigerate.
  7. Frosting: In a medium bowl, using an electric mixer set on medium-high speed, beat the cream, 1/4 cup confectioners' sugar and 2 tablespoons coffee liqueur until stiff. Fold 1/2 cup of cream mixture into filling mixture.
  8. Assemble the cake: Place one plain cake layer on a serving plate. Using a thin skewer, poke holes in cake, about 1 inch apart. Pour one third of reserved coffee mixture over cake, then spread with half of the filling mixture. Top with coffee-flavored cake layer; poke holes in cake. Pour another third of the coffee mixture over the second layer and spread with the remaining filling. Top with remaining cake layer; poke holes in cake. Pour remaining coffee mixture on top. Spread sides and top of cake with frosting.
  9. Garnish: Place cocoa in a sieve and lightly dust top of cake. Garnish with chocolate curls. Refrigerate at least 30 minutes before serving.