01 -
In a small bowl, mix together the pumpkin, cinnamon, ginger, nutmeg, and 1/4 teaspoon salt. Set aside.
02 -
In a separate bowl, beat the mascarpone cheese and cream cheese with the remaining 1/4 teaspoon salt for 30 seconds. Add the pumpkin mixture and mix until just combined.
03 -
Add the sugar, flour, and vanilla extract, mixing until combined. Then add the egg yolks, one at a time, mixing until incorporated. Set aside.
04 -
Preheat the oven to 325°F (163°C). Butter a 9x9-inch baking dish and line with parchment paper.
05 -
In a large bowl, whisk together the flour, cocoa powder, baking powder, and salt.
06 -
In a separate bowl, mix the melted butter and sugar. Whisk in the eggs and vanilla until incorporated. Stir in chocolate chips, then gradually add the flour mixture to the egg mixture, stirring until just combined.
07 -
Reserve 1/2 cup of the brownie batter. Spread the remaining brownie batter evenly into the prepared pan.
08 -
Pour the cheesecake mixture over the brownie batter. Use a spoon to make 3-4 lines with the reserved brownie batter on top of the cheesecake layer. Swirl the lines into the cheesecake layer using a toothpick or small knife.
09 -
Bake for 45 minutes, or until the top of the brownies is just set and a tester comes out mostly clean.
10 -
Cool completely, then refrigerate before serving.