1 c. cold milk
1 sm. pkg. chocolate instant pudding
8 oz. thawed Cool Whip
20 Oreos, crushed
1 1/2 c. "rocks" - chocolate chips
1 graham cracker crust

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