Preheat your oven to 325°F (160°C).
In a mixing bowl, combine the chocolate cookie crumbs, melted butter, and sugar. Mix until well combined.
Press the mixture firmly into the bottom of the springform pan to form the crust. Bake for 10 minutes, then remove and let cool.
In a large bowl, beat the softened cream cheese and peanut butter together using an electric mixer on medium speed until smooth and creamy.
Add the powdered sugar and vanilla extract to the mixture and beat until fully combined.
Add the eggs one at a time, mixing on low speed until just incorporated. Do not overmix.
Pour the filling into the cooled crust, smoothing the top with a spatula.
Bake the cheesecake for 50-60 minutes, or until the center is set but still slightly jiggly.
Turn off the oven and leave the cheesecake inside for an additional hour to cool slowly.
After the cheesecake has cooled, refrigerate it for at least 4 hours, or overnight for best results.
Before serving, top with whipped cream and sprinkle with chopped chocolate candies. Drizzle with chocolate sauce if desired.