1 box yellow cake mix

Bake cake in 2 layers; cool and split each layer.

FILLING:

3 c. powdered sugar
1 c. sour cream
12 oz. frozen coconut
1/2 c. Cool Whip

Mix ingredients and beat until creamy. Spread filling between each layer.

FROSTING:

1 c. sour cream
2 c. Cool Whip

Mix ingredients well. Spread frosting on top and sides of cake. Place cake in airtight container and refrigerate for 3 days.