1 box yellow cake mix

Bake cake according to directions. When cool slice into four sections. (Each half sliced once.)

FILLING:

1 c. sugar
1 lg. Cool Whip
1 lg. sour cream
1 (12 oz.) pkg. frozen coconut, thawed

Mix the filling together and let sit in a covered dish overnight. The next day, bake your cake as stated above. Spread the filling between layers. Be generous. Spread all over cake and refrigerate. This will keep for a week.