BALL DROP CUPCAKES RECIPE Ingredients for the Red Velvet Cupcakes (makes 12): 4 tablespoons unsalted butter, room temperature 3/4 cup granulated sugar 1 egg 2 1/2 tablespoons cocoa powder 3 tablespoons red food coloring 1/2 teaspoon vanilla extract 1/2 cup buttermilk 1 cup plus 2 tablespoons all-purpose flour 1/2 teaspoon salt 1/2 teaspoon baking