Step 1: Preheat oven to 325°F (163°C).
Step 2: Mix chocolate cookie crumbs with melted butter and press into a 9-inch springform pan.
Step 3: Beat cream cheese, peanut butter, and granulated sugar until smooth.
Step 4: Add vanilla extract and eggs one at a time, mixing well after each addition.
Step 5: Pour filling over crust and bake for 50-55 minutes until set but slightly jiggly in the center.
Step 6: Let cool to room temperature, then refrigerate for at least 4 hours or overnight.
Step 7: Whip heavy cream with powdered sugar until stiff peaks form and spread over chilled cheesecake.
Step 8: Sprinkle with chopped peanuts before serving.