Creating Chocolate Peanut Butter Pie is simple if you follow these easy steps:

1. Prepare the Crust: In a mixing bowl, combine the chocolate cookie crumbs and melted butter. Mix until well combined. Press the mixture firmly into the bottom of a 9-inch pie dish to form the crust.
2. Make the Filling: In a separate bowl, beat together the softened cream cheese, creamy peanut butter, and powdered sugar until smooth and well combined.
3. Incorporate Whipped Topping: Gently fold in the whipped topping into the peanut butter mixture until well blended and creamy.
4. Fill the Crust: Spoon the peanut butter filling into the prepared crust, spreading it evenly with a spatula.
5. Chill: Cover the pie with plastic wrap and refrigerate for at least 4 hours, or overnight for best results.
6. Prepare Chocolate Ganache: In a small saucepan, heat the heavy cream over medium heat until it starts to simmer. Remove from heat and add the semi-sweet chocolate chips. Stir until the chocolate is melted and the mixture is smooth.
7. Top the Pie: Pour the chocolate ganache over the chilled peanut butter filling, spreading it evenly. Return the pie to the refrigerator for another hour to set the ganache.
8. Garnish: Before serving, top with chocolate shavings or extra whipped topping if desired.
9. Slice and Serve: Once set, slice the pie into wedges and serve chilled.

These straightforward steps will guide you in creating a mouthwatering Chocolate Peanut Butter Pie that will surely impress everyone.