Chocolate Peanut Butter Pie

1 c Milk

2/3 c Peanut butter

1 pk Instant chocolate pudding

1 ea 9" graham cracker pie shell

8 oz Cool Whip whipped topping

Blend milk and peanut butter together.Add pudding mix.Pour into pie shell.Chill.Serve with a dab of Cool Whip whipped topping.