1 pkg. Duncan Hines yellow butter cake mix
1/2 c. oil
3 eggs
1 can mandarin oranges and juice

Mix cake mix, oil, eggs, and the juice from the oranges. When batter has been beaten about half enough, add the oranges and finish beating. Bake layers at 375 degrees and cool completely before frosting.

FROSTING:

1 (1 lb. 4 oz.) can crushed pineapple in heavy syrup
1 sm. pkg. instant vanilla pudding mix
1 (9 oz. or larger) Cool Whip

Drain juice from pineapple and mix with pudding mix until moistened. Then stir in the pineapple. When thoroughly mixed together, fold in the Cool Whip. Spread on cooled cake. Store covered in refrigerator. Best when refrigerated overnight before serving.