1 box yellow cake mix
3/4 c. Crisco oil
4 eggs
1 can mandarin oranges, undrained
1/2 c. sugar

Mix and bake in 3 layers at 350°F. Cool completely.

Filling:

1 large container Cool Whip
1 large can crushed pineapple, undrained
1 large pkg. instant vanilla pudding

Put between layers and on top of cake.