Prepare the Crust: In a bowl, combine crushed pretzels and melted butter. Press the mixture firmly into the bottom of a 9-inch pie dish. Refrigerate for 15 minutes to set.​

Make the Filling: In a mixing bowl, beat softened cream cheese and peanut butter until smooth. Add powdered sugar and vanilla extract; mix until well combined. Gently fold in the whipped heavy cream until the mixture is light and fluffy.​

Assemble the Pie: Spread the peanut butter filling evenly over the chilled crust.​

Prepare the Topping: In a microwave-safe bowl, combine chocolate chips and heavy cream. Microwave in 20-second intervals, stirring after each, until the chocolate is melted and the mixture is smooth. Let it cool slightly, then pour over the peanut butter filling, spreading evenly.​

Chill: Refrigerate the pie for at least 4 hours, or until set.​

Serve: Garnish with additional crushed pretzels or whipped cream if desired. Slice and enjoy!​