Pineapple-Orange Cake - cooking recipe

Ingredients

1 yellow butter cake mix
1 can Mandarin oranges (do not drain)
1/2 c. oil
4 eggs
large (13 oz.) Cool Whip
1 pkg. vanilla instant pudding (use dry)
1 large can crushed pineapple

Preparation

Add cake mix, oranges, oil and eggs.
Mix together well.
Bake at 325\u00b0 for 30 minutes in 2 round layer pans.
Let cool.
Cut each layer in half; mix remaining ingredients and spread on layers.