1 (8 oz.) pkg. cream cheese
2 c. powdered sugar
2/3 c. crunchy peanut butter
1/2 c. milk
1 (8 oz.) carton Cool Whip
2 (8") graham cracker pie crusts

Beat together the cream cheese, powdered sugar and peanut butter. Slowly add milk, fold in Cool Whip. Pour into pie crusts. Freeze.