1 box yellow butter cake mix
16 ounces sour cream
12 ounces package frozen coconut
2 cups sugar
Mix cake mix according to directions on the package. Bake 4 layers.
Mix together filling ingredients and stir well so the sugar will dissolve. It is better if you leave it in the refrigerator overnight and stir several times; but if you are in a hurry, you can make it when you bake the cake. Bes sure it is mixed well.