1 box Duncan Hines butter cake mix
4 eggs
1/2 c. cooking oil
1 (9 oz.) can mandarin oranges (use juice & oranges)

Put in three layers; bake and cool.

1 lg. can crushed pineapple
1 sm. box instant vanilla pudding
1 lg. carton Cool Whip

Add pineapple to pudding and let set while cake cools. Fold in Cool Whip and put between layers and all over it. Keep refrigerated.