Peanut Butter Pie

8 oz. cream cheese                             1/2 cup peanut butter

3/4 cup powdered sugar                     2 Tablespoons milk

1 quart cool whip

Mix all ingredients together in a large bowl and pour into a graham cracker pie crust shell.  Freeze or Refrigerate over night.  Makes 2 small pies or 1 deep dish pie.