Cake:
1 yellow cake mix
1/3 C veggie or canola oil
11 oz. can mandarin oranges drained, reserve juice (or use 2 small cans)
3 eggs
juice and water to equal 1 1/3 cup ( the frosting calls for crushed pineapple, reserve that juice too!)
Spray bottom of 9x13 pan. Spread mandarin oranges (you drained them right?) on bottom of pan
Mix cake mix with oil, eggs, drained fruit juice and water. Bake at 350 for about 35 minutes.
Frosting:
12 oz. cool whip
1 can drained crushed pineapple
3 oz. box vanilla instant pudding
Mix together and spread on cooled cake.