Step 1

Beat cream cheese until smooth using a hand mixer. Mix in granulated sugar and peanut butter, then mix in vanilla, beating until smooth and no lumps remain. Fold in the whipped topping, then stir in 1 1/2 cups of the chopped peanut butter cups.

Step 2

Place filling in prepared pie crust. Sprinkle with remaining chopped peanut butter cups and drizzle with hot fudge ice cream topping. Chill at least 4 hours before cutting and serving.

Step 3

Pie lasts up to 3 days in the refrigerator or you can freeze it for up to one month.