Preheat Oven: Begin by preheating your oven to 325°F (163°C). Grease a 9-inch springform pan with cooking spray or a light coat of butter to ensure easy removal later on.
Prepare the Crust: In a medium mixing bowl, combine the graham cracker crumbs, melted butter, and 2 tablespoons of granulated sugar. Stir until the mixture is well-combined and resembles damp sand.
Press the Crust: Firmly press the crust mixture into the bottom of the prepared springform pan to create an even layer. Bake in the preheated oven for 10 minutes. Once done, remove from the oven and allow it to cool completely.
Mix the Cream Cheese Filling: In a large mixing bowl, beat the softened cream cheese using an electric mixer on medium speed until it reaches a smooth consistency. Gradually incorporate 1 cup of granulated sugar, continuing to beat until the mixture becomes creamy and fluffy.
Incorporate Pumpkin and Spices: Add the pumpkin puree, followed by the eggs one at a time, mixing well after each addition. Then, pour in the vanilla extract and sprinkle the cinnamon, nutmeg, and ginger into the bowl. Mix until everything is well blended and smooth.
Prepare the Chocolate Swirl: In a separate small bowl, combine the melted chocolate chips with the cocoa powder. Stir until the mixture is uniform and smooth, ensuring there are no lumps.
Layer the Cheesecake: Pour half of the pumpkin cheesecake batter into the cooled crust layer in the springform pan. Carefully spoon dollops of the chocolate mixture over the pumpkin batter.
Create the Marble Effect: Pour the remaining pumpkin cheesecake batter on top of the chocolate dollops. Use a knife or toothpick to gently swirl the chocolate into the cheesecake batter, creating a beautiful marbled effect.
Bake the Cheesecake: Place the pan in the oven and bake for approximately 55 to 60 minutes. The cheesecake is done when the center is set but still has a slight jiggle to it.
Cool Gradually: After baking, turn off the oven and crack the door open slightly. Allow the cheesecake to cool completely in the oven. This gradual cooling process helps prevent any cracks from forming on the surface.
Chill in Fridge: Once cooled, refrigerate the cheesecake for at least 4 hours, preferably overnight for optimal flavor and texture.
Serve: When ready to serve, run a knife around the edges of the pan to loosen the cheesecake before carefully removing the sides of the springform pan.
Notes
For best results, refrigerate overnight before serving.