Prepare the Crust: Preheat the oven to 325°F (165°C). In a mixing bowl, combine graham cracker crumbs, melted butter, and sugar. Stir until well combined. Press the mixture into the bottom of a greased 9x9 inch baking pan to form an even crust.
Bake the Crust: Bake the crust in the preheated oven for 10 minutes, then remove and allow it to cool while you prepare the filling.
Make the Cheesecake Filling: In a large mixing bowl, beat the softened cream cheese until creamy and smooth. Gradually add the granulated sugar, mixing until fully incorporated.
Add Eggs and Flavorings: Add the vanilla extract, peppermint extract, and sour cream. Blend in the eggs one at a time, making sure to mix thoroughly after each addition.
Incorporate Coffee and Cocoa: Pour in the cooled brewed coffee and cocoa powder, mixing until just combined and smooth. Be careful not to overmix.
Bake the Cheesecake: Pour the cheesecake filling over the cooled crust, spreading it evenly. Bake for 40-45 minutes, or until the center is set but still slightly jiggly.
Cool and Refrigerate: Once baked, allow the cheesecake bars to cool on a wire rack to room temperature. Once cool, refrigerate for at least 4 hours, preferably overnight, to set fully.
Serve: Cut the cheesecake into bars and garnish with crushed peppermint candies on top before serving.
Notes
Serve the cheesecake bars on a festive platter with a drizzle of chocolate sauce and additional crushed peppermint candies for a beautiful holiday look.