1 white cake mix
1 c. crushed pineapple, drained
1 lg. container Cool Whip
1 lg. can crushed pineapple, with juice
1 lg. vanilla instant pudding

Cook cake mix as directed, add 1 cup drained crushed pineapple to cake mix.

For Topping: Mix together Cool Whip, large can crushed pineapple with juice and vanilla pudding. Spread on cake.