1 pkg. Duncan Hines All Butter cake
3 eggs
1 can Mandarin oranges, undrained
1 stick butter

Beat together. Pour into a 9 x 13 inch pan. Bake 40 minutes at 350 degree oven. Cool. Frost.

ICING:

1 pkg. instant pudding, any flavor (preferably pistachio)
1 sm. can crushed pineapple, undrained
1 (9 oz.) pkg. Cool Whip

Mix together. Spread over cake. Keep in refrigerator.