1 (8 oz.) pkg. cream cheese
1/2 c. crunchy peanut butter
1 c. confectioners' sugar
1/2 c. milk
1 (9 oz.) Cool Whip
Graham cracker pie shell

Mix cream cheese, peanut butter and confectioners' sugar in large bowl. Slowly add milk. Fold in Cool Whip. Pour in graham cracker pie shell. Put in freezer. Thaw just before serving.