Red Wine and Chocolate Cupcakes

Ingredients (14)

• 1/2 cup baking cocoa
• 4 ounces bittersweet chocolate, chopped
• 1/2 cup boiling water
• 1 cup butter, softened
• 1-1/2 cups sugar
• 4 large eggs, room temperature
• 1-3/4 cups all-purpose flour
• 1-1/2 teaspoons baking powder
• 1 teaspoon salt
• 1/2 cup dry red wine
• MASCARPONE ICING:
• 2 cartons (8 ounces each) mascarpone cheese
• 2 cups confectioners' sugar
• 1/2 teaspoon vanilla extract