Oreo Cookie Cake
["1 lb. Oreos, crushed", "1 c. margarine, melted", "8 oz. cream cheese, softened", "8 oz. Cool Whip, thawed", "1 c. powdered sugar", "2 pkg. instant chocolate pudding", "3 c. milk", "8 oz. Cool Whip"]
["Pat crushed Oreos into 9 x 13-inch pan.", "Reserve approximately 1/2 cup crushed Oreos for topping.", "Drizzle melted margarine evenly over cookies.", "Refrigerate for about an hour."]
["Oreos", "margarine", "cream cheese", "powdered sugar", "instant chocolate pudding", "milk"]