1 (3 oz.) pkg. instant vanilla pudding
2 c. buttermilk
1 (16 oz.) Cool Whip
2 cans mandarin oranges, drained
1 pkg. fudge-striped cookies, broken in bite size pieces

Stir together pudding and buttermilk. Add the Cool Whip. Stir in mandarin oranges. Just before serving. Add the cookies.