Coconut Cake - cooking recipe

Ingredients

1 box Duncan Hines white moist deluxe cake mix
1 large (16 oz.) carton sour cream
1 3/4 c. granulated sugar
1 tsp. vanilla flavoring
6 oz. frozen coconut, thawed
Cool Whip

Preparation

Mix cake mix and bake according to directions.
Let cool. Split layers when completely cool.
Mix sour cream, sugar and flavoring.
Save 1/2 cup of mixture for icing.