1 ready made chocolate graham cracker crust
1 (8 oz.) container Cool Whip, softened
1 (4 oz.) pkg. chocolate instant pudding
1 c. milk
1 c. chopped Oreo cookies
3/4 c. crushed chocolate chips or mint chocolate chips (optional)

Mix milk and pudding. Add Cool Whip, cookie crumbs and if desired, chocolate or mint chocolate chips. Pour into crust and refrigerate. Sprinkle cookie crumbs on top.