4 oz. cream cheese, softened
1 c. powdered sugar
1/3 c. peanut butter
1/2 c. milk
9 oz. Cool Whip
graham cracker crust

Put cream cheese and powdered sugar in a bowl. Beat until smooth. Add peanut butter and milk. Beat until smooth. Fold in the Cool Whip. Pour into graham cracker crust. Put in freezer until ready to serve. Serve frozen with hot fudge.