01 - Preheat oven to 325°F. Line the base of a 9-inch springform pan with parchment paper.
02 - Mix crushed chocolate sandwich cookies with melted butter until well combined. Press mixture evenly into the bottom of the prepared pan. Bake for 10 minutes, then cool completely.
03 - In a large bowl, beat softened cream cheese and granulated sugar until smooth and creamy using an electric mixer.
04 - Blend in melted white chocolate and sour cream until fully incorporated.
05 - Add eggs one at a time, mixing gently and scraping down sides after each addition. Stir in vanilla extract, peppermint extract, and salt until mixture is uniform.
06 - Pour filling over cooled crust and smooth the surface with a spatula.
07 - Place pan on a baking sheet and bake for 60 minutes until the center is just set but still slightly jiggly.
08 - Turn off oven, crack oven door, and allow cheesecake to cool inside for 1 hour.
09 - Remove cheesecake from oven and bring to room temperature. Refrigerate for a minimum of 4 hours or overnight.
10 - Once fully chilled, drizzle melted dark and white chocolates across the top. Sprinkle evenly with crushed peppermint candies, then allow topping to set before slicing and serving.