1 (8 oz.) pkg. cream cheese
1 c. powdered sugar
1/2 c. chunky peanut butter
4 oz. Cool Whip, thawed
2 c. graham cracker or cookie crust
Hot fudge sauce

Mix first four ingredients. Grease a 9"x9" pan and press in crust. Chill. Add peanut butter mixture and top with melted hot fudge sauce. Freeze. Serves approximately 9.