• 1 9x9-inch pan of brownies, baked and cooled
• 1 3.9-ounce box of instant chocolate pudding mix
• 1 14-ounce can of sweetened condensed milk
• 1 8-ounce container frozen whipped topping, thawed
• 8 chocolate sandwich cookies, crushed into fine crumbs
• edible Halloween themed candy and headstone toppers