1 c. cold milk
1 pkg. chocolate flavored Jello pudding (4 serving size)
3 1/2 c. Cool Whip
20 chocolate sandwich cookies crushed up
1 1/2 c. rocks (granola chunks)
1 pkg. graham cracker pie crust

Pour milk into a medium bowl. Add pudding mix. Beat with wire whisk until well blended 1 - 2 minutes. Let stand 5 minutes. Fold in whipped topping. Stir 1 cup of cookies and the rocks into pudding mixture. Spoon into pie crust. Sprinkle with remaining cakes. Freeze until firm. About 4 hours.