Ingredients:
- 2/3 cup all-purpose flour
- 2 1/2 Tbs. unsweetened cocoa powder
- 3/4 tsp. baking powder
- 1/4 tsp. salt
- 3 oz. bittersweet chocolate, chopped
- 11 Tbs. unsalted butter, cut into pieces
- 3/4 cup plus 2 Tbs. sugar
- 3 eggs, at room temperature
- 1 tsp. vanilla extract
- Chocolate or vanilla buttercream for frosting cupcakes
- Grated chocolate for garnish (optional)