three layer pig lickin cake

Yellow cake mix
4 eggs
1/2 cup oil
1 can mandarin oranges, undrained
1 can crushed pineapple
1 small box vanilla instant pudding
13 ounces Cool Whip?

Combine cake mix, eggs, oil, and oranges and mix well. Spread into three round cake pans and bake 20 minutes at 350 degrees F. Cool in pan for 10 minutes.

Drain pineapple and blend with instant pudding; fold in whipped topping and spread between layers and on top of cake. Refrigerate!