1 box yellow cake mix (the butter recipe)

FILLING:

1 (8 oz.) carton sour cream
1 (6 oz.) pkg. frozen coconut
2 c. sugar

TOPPING:

1 (8 oz.) carton Cool Whip

Bake cake according to directions, making two layers. When cool, split layers crosswise, making 4 layers.

FILLING: Mix well and spread between layers saving one cup filling to mix with topping.

TOPPING: Mix Cool Whip with 1 cup filling. Spread on top and sides of cake. Better to bake one day before serving. Can be frozen.