1 (3 oz.) pkg. cream cheese, softened
1/2 c. smooth peanut butter
1 c. powdered sugar
1/2 c. milk
1 (8 oz.) pkg. frozen whipped dairy topping, thawed
1 prebaked graham cracker crust

In large bowl, with an electric mixer combine cream cheese, peanut butter, sugar and milk. Beat until smooth. Gently fold in whipped topping. Pour into pie shell. Freeze 4-6 hours. Thaw 10 minutes before serving.