3 oz. cream cheese, softened
1/2 c. smooth peanut butter
1 c. powdered sugar
1/2 c. milk
8 oz. Cool Whip, thawed
1 prebaked graham cracker pie crust

With electric mixer, combine cream cheese, peanut butter, sugar, and milk. Gently fold in Cool Whip. Pour into pie crust. Freeze 4 to 6 hours. Thaw 10 minutes before serving.