1 box Jiffy cake mix
1 box instant vanilla pudding
20 oz. can crushed pineapple
16 oz. Cool Whip or whipped cream

Mix and bake cake mix according to directions on box in a 9 x 13 inch pan. Cool. Mix pudding according to box directions; put on top of cooled cake. Put drained pineapple on top of cake and pudding. Cover with Cool Whip and place in refrigerator until served.