1 white cake mix (box)
1 reg. size shredded pineapple (can)
1 box vanilla pudding
1 carton Cool Whip

Bake cake as directed. Remove from oven. Cool 5 minutes. Cover with pineapple (also juice).

Make vanilla pudding as directed. Cover pineapple. Cover pineapple with Cool Whip (amount you desire). (Keeps perfectly for several days if refrigerated.)