1 c. cold milk
1 pkg. (4 serving sizes) Jello chocolate flavor instant pudding
3 1/2 c. (8 oz.) Cool Whip
20 chocolate sandwich cookies, crushed
1 1/2 c. "Rocks" (granola chunks, chocolate chips, peanut butter chips, chopped peanuts or a combination)
1 pkg. graham cracker pie crust

Pour milk into medium bowl. Add pudding mix. Beat with wire whisk until well blended, 1 to 2 minutes. Let stand 5 minutes. Fold in whipped topping. Stir 1 cup of the cookies and the "rocks" into pudding mixture. Spoon into pie crust. Sprinkle with remaining cookies. Freeze until firm.