Peanut Butter Pie Ii

1 ea 9" graham cracker pie shell

8 oz Cream cheese,softened

1/2 c Milk

1 c Powdered sugar

1/2 c Peanut butter

8 oz Cool Whip whipped topping

1 x Chopped peanuts,optional

Whip cream cheese in mixer bowl until light.Blend in peanut butter and powdered sugar.Add milk,gradually,beating constantly.Fold in whipped topping.Spoon into pie shell.Garnish with chopped peanuts,if desired.Freeze until firm.Makes 6 to 8 servings.