Coconut Ice Box Cake

Directions

1. 1
   Mix sugar, Cool Whip, sour cream and coconut in bowl.
2. 2
   Cover and let sit overnight.
3. 3
   Second day, mix and bake cake according to package directions.
4. 4
   Bake in 9-inch round pans, greased and floured (2 or 3).
5. 5
   Let cool.
6. 6
   Spread frosting generously between layers and over top and sides of cake.
7. 7
   Refrigerate.
8. 8
   Will keep one week.