Peanut Butter Pie

1 package (8 oz) cream cheese, softened

2/3 cup peanut butter (smooth)
1 Tbl milk
2 cups confectioners' sugar
1 carton (12 oz) frozen whipped topping, thawed
2 graham cracker or chocolate cookie crusts

In a large mixing bowl, beat the cream cheese, peanut butter and milk until smooth.  Gradually beat in confectioners' sugar.  Fold in whipped topping.  Spoon into crusts.  Cover and refrigerate for at least 4 hours before serving.  Yield: 2 pies