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.