1 pkg. Jello chocolate instant pudding
1 c. milk
3 1/2 c. Cool Whip, thawed (8 oz.)
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 in 1 cup cookie and the "rocks" into pudding mixture. Spoon into pie crust. Sprinkle with remaining cookies. Freeze until firm, 4 hours or overnight. Garnish with gumdrop flowers or gummy worms, if desired. Let stand at room temperature 10 minutes, then serve.