1 (8 oz.) box yellow cake mix
1 c. oil
4 eggs, lightly beaten with a fork
1 (15 1/4 oz.) crushed pineapple with juice

ICING:

1 (8 oz.) Cool Whip
1 (6 oz.) box instant vanilla pudding
1 (15 1/4 oz.) can pineapple

Combine all ingredients with spoon, pour in greased and floured 9 x 13 inch pan. Bake at 350 degrees for 30 minutes. Cool completely.

ICING: Combine pudding and pineapple. Fold in Cool Whip and spread on cake.