01 -
1 1/4 cups all-purpose flour.
02 -
1/2 teaspoon baking powder.
03 -
1/4 teaspoon baking soda.
04 -
1/4 teaspoon salt.
05 -
3/4 cup granulated sugar.
06 -
1/2 cup unsalted butter, softened.
07 -
2 large eggs.
08 -
1 teaspoon vanilla extract.
09 -
1/2 cup sour cream.
10 -
1/4 cup espresso or strong coffee, cooled.
11 -
1/2 cup espresso or strong coffee (for the Coffee Soak).
12 -
2 tablespoons coffee liqueur (optional).
13 -
1 cup mascarpone cheese.
14 -
1/2 cup powdered sugar.
15 -
1 teaspoon vanilla extract (for the Frosting).
16 -
1 cup heavy whipping cream.
17 -
Cocoa powder for dusting (for Garnish).
18 -
Chocolate curls or grated chocolate (for Garnish).