Coconut Frosting and Filling Recipe 2 cups sour cream 2 cups white sugar 1 1/2 cups flaked coconut 1 (8 ounce) container frozen whipped topping, thawed Combine sour cream and sugar; mix well. Stir in coconut. Fold in whipped topping. Spread top and sides of two 9-inch cake layers. Recipe of the Day|