1 box lemon, choc. or vanilla instant pudding
1 loaf-size angel food cake (from the store)
1 box Cool Whip

Cut up angel food cake in bottom of square glass pan. Fix pudding according to instructions on box. Pour pudding over cake. (If you use vanilla, you can add raisins. If you use chocolate, you can add nuts.) Spread Cool Whip over pudding. Chill until set.