1 box yellow cake mix (with pudding in the mix)
1 (11 oz.) can mandarin oranges
3/4 c. oil
3 eggs

Mix all of the above (including mandarin orange juice) for 2 minutes. Pour into greased and floured cake pan. Bake at 350 degrees for 20-25 minutes.

MANDARIN ORANGE FROSTING:

1 (9 oz.) carton Cool Whip
1 (20 oz.) can crushed pineapple
1 box instant vanilla pudding
1/2 tsp. lemon juice
1 tsp. vanilla

Fold all together. Top cake. Refrigerate.