instant pudding mix, chocolate
whipped topping, prepared
graham cracker pie crust
Prepare pudding according to package directions reducing milk to 1 cup.
Fold in whipped topping.
Stir in ⅔ of the cookies and all the marshmallows.
Spoon into the crust. Sprinkle top with the remaining cookies. Decorate with gummy worms. Freeze until firm, about 4 hours. Remove from freezer 10 minutes before serving for easy slicing.