1 lb. (18 oz.) Duncan Hines yellow cake mix
3 eggs
1/2 c. oil
1 can mandarin oranges and juice

Mix well and cook in 3 cake pans according to instructions on box.

ICING:

1 lg. pkg. Cool Whip
1 c. chopped pecans
1 can (sm.) drained crushed pineapple
1 lg. pkg. vanilla instant pudding