No Bake Peanut Butter Pie


1 (8 ounce) package cream cheese 
1 1/2 cups confectioners' sugar 
1 cup peanut butter 
1 cup milk 
1 (16 ounce) package frozen whipped topping, thawed 
2 (9 inch) prepared graham cracker crusts 


Beat together cream cheese and confectioners' sugar. Mix in peanut butter and milk. Beat until smooth. Fold in whipped topping. 2 Spoon into two 9 inch graham cracker pie shells; cover, and freeze until firm.