2 cups cake flour, sifted |
2 tablespoons baking powder |
1/2 teaspoon baking soda |
1/4 teaspoon salt |
1/2 cup cocoa, plus |
2 teaspoons cocoa |
8 tablespoons unsalted butter |
1 1/4 cups sugar |
2 large eggs |
3/4 cup sour cream (can use light) |
1 1/2 teaspoons vanilla |
1/3 cup strong brewed coffee |
8 ounces bittersweet chocolate, finely chopped |
8 tablespoons unsalted butter |
1/2 cup confectioners' sugar |