The most delicious and refreshing frozen peanut butter pie!
In a mixing bowl, beat cream cheese until fluffy.
Add powdered sugar and peanut butter, mix well.
Gradually add the milk.
Fold in the cool whip.
Spoon mixture into graham cracker crust.
Place in freezer. Freeze for at least a couple of hours or overnight.
You can also use an oreo cookie crust for a chocolate peanut butter pie.