1 c. buttermilk
1 lg. pkg. instant vanilla pudding
1 (8 oz.) Cool Whip
1 sm. can mandarin oranges
1 sm. can crushed pineapple
24 chocolate striped cookies

Mix milk and pudding until thick. Add oranges, pineapple, crushed cookies and mix. Add Cool Whip; mix until blended. Cover with crushed cookies. Refrigerate at least 1 hour before serving.