1 box Duncan Hines yellow cake mix
1/2 c. Wesson oil
4 eggs
1 sm. can Mandarin oranges, drained

Mix all ingredients together. Drain oranges and add. Blend together. Cook in 3 layers at 325 degrees for 25 minutes.

ICING:

1 lg. container Cool Whip
1 sm. pkg. vanilla instant pudding
1 lg. can crushed pineapple, drained

Mix pineapple and instant pudding together. Let stand 5 minutes. Add Cool Whip and mix. Spread on cooled layers and put in refrigerator.