Preheat the oven to 350 degrees.

Process the oreos into crumbs in a food processor, add melted butter and stir to combine.

Press the oreo mix into a baking dish and bake for 10 - 12 minutes. Let cool before using.

In a large mixing bowl, beat the softened cream cheese until it is light and fluffy.

Add in the powdered sugar and peanut butter and mix well.

Fold in 1/2 cup of whipped topping until it is well combined.

Gently fold in 1/2 cup of crushed Butterfinger candy bars.

Spread the mixture into the Oreo pie crust and smooth out the top.

Chill the pie in the refrigerator for at least 1 hour.

In a separate mixing bowl, whip the heavy cream until stiff peaks form.

Fold in the remaining 1/2 cup of whipped topping and 1/2 cup of crushed Butterfinger candy bars.

Spread the whipped cream mixture over the top of the chilled pie.

Garnish with additional crushed Butterfinger candy bars, if desired.

Chill the pie in the refrigerator for at least 1 hour before serving.