1/2 c. peanut butter (smooth or crunchy)
8 oz. cream cheese
1 c. powdered sugar
1/2 c. sweet milk
9 oz. Cool Whip, thawed
9 inch graham cracker crumb pie shell (or plain flaky shell)

Blend cheese, peanut butter and powdered sugar and milk. Blend in Cool Whip. Pour into pie shell and freeze.