Twinkie Cake

8 Twinkies
6 bananas
2 boxes banana pudding
1 can crushed pineapple
1 8 ounce Cool Whip
crushed walnuts

Cut twinkies in half and lay cream side down in a 9 X 13 pan. Cut up bananas over twinkies. Make pudding according to box directions and pour over bananas. Drain pineapple and put over pudding. Spread Cool Whip on top and sprinkle with crushed walnuts.