1 pkg. butter flavored cake mix

Prepare mix according to package and cook in 3 layers.

FILLING:

2 c. powdered sugar
1 c. sour cream
1 (8 oz.) Cool Whip
1 tsp. vanilla
3 c. coconut & save some to sprinkle over cake

Combine powdered sugar, sour cream, Cool Whip and vanilla. Mix until blended. Stir in some coconut and frost cake. Place in refrigerator.