2 c. buttermilk
2 (4 oz.) pkgs. instant French vanilla pudding
1 (16 oz.) Cool Whip
2 cans mandarin oranges, drained
1 lb. Oreo cookies

Mix buttermilk and pudding well. Add drained oranges. Fold in Cool Whip. Break Oreo cookies into pieces and add to salad mixture. Ready to serve at once or chill and serve at a later time.