For the batter
2 1/2 cups all-purpose flour, sifted
2 tablespoons active dry yeast
2/3 cup unsalted butter, softened
1 2/3 cups granulated sugar
3 large eggs, at room temperature
1 1/4 cups whole milk, at room temperature
1 tablespoon instant coffee powder
1 1/2 tablespoons unsweetened cocoa powder
1 tablespoon water
For the filling and topping
2 tablets of high-quality dark chocolate, broken into pieces
1/2 cup unsalted butter or margarine, softened
1 cup confectioners' sugar
2 large eggs, at room temperature
1 teaspoon vanilla extract
For the batter
2 1/2 cups all-purpose flour, sifted
2 tablespoons active dry yeast
2/3 cup unsalted butter, softened
1 2/3 cups granulated sugar
3 large eggs, at room temperature
1 1/4 cups whole milk, at room temperature
1 tablespoon instant coffee powder
1 1/2 tablespoons unsweetened cocoa powder
1 tablespoon water
For the filling and topping
2 tablets of high-quality dark chocolate, broken into pieces
1/2 cup unsalted butter or margarine, softened
1 cup confectioners' sugar
2 large eggs, at room temperature
1 teaspoon vanilla extract
Prepare
Mix together the flour and yeast
Beat in the butter and gradually add the granulated sugar, beating well
Add the eggs one by one, beating well after each addition
Alternate adding the milk and flour mixture, beating until just combined
Pour half of the batter into a 20cm-diameter greased and floured cake pan
Mix in the instant coffee powder, unsweetened cocoa powder, and water, then add to the remaining batter
Pour into another 20cm-diameter greased and floured cake pan
Bake in a moderate oven (180°C) for 30-40 minutes
Let cool completely
For the filling and topping, melt the chocolate in a double boiler or microwave
Beat in the butter
Gradually add the confectioners' sugar, beating well after each addition
Add the eggs one by one, beating well after each addition
Mix in the vanilla extract and melted chocolate
Beat until smooth
Cut each cake in half lengthwise
Frost with the chocolate cream, alternating light and dark layers, starting with a dark layer of cake
Serve with liqueur or Porto wine.