01 - Preheat oven to 325°F. Grease a 9-inch springform pan and line the bottom with parchment paper.
02 - Combine chocolate cookie crumbs and melted butter in a medium bowl. Press mixture firmly into the bottom of the prepared pan. Bake for 10 minutes. Set aside to cool.
03 - In a large bowl, beat cream cheese and granulated sugar until smooth and creamy.
04 - Add sour cream, eggs one at a time, vanilla extract, peppermint extract, heavy cream, and salt. Mix just until combined, scraping down sides as needed. Avoid overmixing.
05 - Pour mixture over cooled crust and smooth the surface evenly.
06 - Place springform pan inside a larger roasting pan. Fill outer pan halfway up sides of springform with hot water.
07 - Bake for 50 to 60 minutes until edges are set and center is slightly jiggly. Turn off oven, leave door slightly open, and let cheesecake cool inside for 1 hour.
08 - Remove cheesecake from oven and water bath. Let cool to room temperature, then refrigerate for a minimum of 4 hours or overnight.
09 - Whip cold heavy cream with powdered sugar and peppermint extract until stiff peaks form.
10 - Spread or pipe whipped cream over chilled cheesecake. Sprinkle crushed peppermint candies or candy canes on top before serving.