Chocolate Buttercream Frosting Yields 2-layer cake,13x9x2-inch sheet cake, 24 cupcakes Ratings (0) Read Reviews (0) | Review/Rate This Pin It Ingredients 1 1-lb. pkg. (approx. 3 3/4 cups) C&H® Powdered Sugar1/2 cup (1 stick) butter, softened 3 to 4 tablespoons milk1 teaspoon vanilla extract2 oz. (2 squares) unsweetened chocolate, melted and cooled InstructionsPlace chocolate in heavy saucepan on very low heat. Stir constantly until just melted. Set aside to cool. In large bowl, with mixer at low speed, combine powdered or confectioners' sugar, butter, milk and vanilla. Beat at medium speed 1-2 minutes until creamy. Add cooled chocolate and beat until combined. If desired, add more milk until frosting is spreading consistency. Reviews & Comments Be the first to review this recipe!