1 pkg. (4 serving size) chocolate instant pudding
1 c. cold milk
3 1/2 c. (8 oz.) Cool Whip, thawed
20 chocolate sandwich cookies, ground
1 1/2 c. "rocks", use any combination of chocolate chips, peanut butter chips, chopped peanuts, granola bar chunks
1 (6 oz.) chocolate crumb crust

Prepare pudding mix with 1 cup milk as directed on package. Fold in whipped topping. Stir 1 cup cookies and the "rocks" into pudding mixture. Spoon into pie crust. Sprinkle with remaining cookies. Freeze until firm, 4 hours or overnight. Garnish with gum drop flowers or gummy worms, if desired. Let stand at room temperature 10 minutes before serving. Store leftover pie in freezer.