1 c. cold milk
1 pkg. chocolate pudding
3 1/2 c. Cool Whip
20 chocolate sandwich cookies (crushed)
1 1/2 c. "rocks" (granola, chocolate chips, peanut butter chips or peanuts)
1 pkg. graham cracker pie crust

Pour milk into medium bowl, add pudding; beat well. Let stand 5 minutes. Fold in whipped topping. Stir 1 cup cookies and rocks into pudding mixture. Spoon into pie crust. Sprinkle with remaining cookies. Freeze until firm, 2-4 hours.