1 pkg. cake mix (white or yellow)

Bake in 2 layers and split each layer.

2 c. sugar
1 (16 oz.) carton sour cream
1 (12 oz.) pkg. frozen coconut, thawed
1 1/2 c. whipped topping (Cool Whip), thawed

Combine sugar, sour cream and coconut; chill. Reserve 1 cup of mixture for top frosting. Spread remaining mixture between layers.

Combine reserved cup of mixture with whipped topping (Cool Whip). Spread on top and sides.