Tennessee Ernie Ford's Pea-Picking Cake
1 (18.25 ounce) box yellow or white cake mix
1/2 cup (1 stick) butter or margarine
1 small can mandarin oranges, save juice for cake mix
1 (12 or 13 ounce) container Cool Whip, thawed
1 small or medium can crushed pineapple, save juice to pour over cooled cake
1 (3 ounce) package instant vanilla or coconut pudding (do not make pudding according to package directions)
Cake: Combine cake ingredients and bake in greased and floured 9 x 13-inch pan at 350 degrees for 35 to 40 minutes. Test cake doneness with wooden pick.
Cool cake before frosting.
Frosting: Combine ingredients: dry pudding, Cool Whip and crushed pineapple.
Before frosting cake, pour pineapple juice over cooled cake.