1 pkg. instant chocolate pudding
1 c. cold milk
1 graham cracker pie crust (or chocolate cookie pie crust)
8 oz. Cool Whip
20 crumbled Oreos
1 c. rocks (crumbled candy, chocolate chips, mini marshmallows, butterscotch chips, whatever you like)

Mix milk and pudding. Beat for 1-2 minutes. Let stand for 5 minutes. Fold in Cool Whip. Add 1 cup cookie crumbs and 1 cup rocks. Pour into pie crust. Sprinkle remaining cookie crumbs on top. Freeze for 4 hours.