1 box yellow cake mix (no pudding in the mix)
3 eggs
2/3 c. oil
1 sm. can mandarin oranges and juice
1 box vanilla instant pudding
8 oz. crushed pineapple and juice
8 oz. Cool Whip

Blend cake mix, eggs, oil, oranges and juice for 2 minutes. Pour into a greased and floured 9 x 13 inch pan. Bake at 325 degrees 35 minutes. Cool. Mix pudding with pineapples and juice, then add Cool Whip. Mix well, spread over cooled cake and refrigerate.