01 -
In a small bowl, stir together canned pumpkin, cinnamon, ginger, nutmeg, and ¼ teaspoon salt. In a separate bowl, beat the mascarpone cheese and cream cheese with the remaining ¼ teaspoon salt for 30 seconds. Add the pumpkin mixture and mix until just combined. Incorporate sugar, flour, and vanilla, mixing until smooth. Add egg yolks one at a time, beating until fully incorporated.
02 -
Preheat the oven to 325°F (160°C). Grease the bottom of a 9 x 9-inch baking dish and line with parchment paper. In a large bowl, whisk together the flour, cocoa powder, baking powder, and salt. In another bowl, combine melted butter and sugar. Whisk in eggs and vanilla until fully blended. Stir in chocolate chips, then gradually mix in the dry ingredients until just combined.
03 -
Reserve ½ cup of the brownie batter. Spread the remaining brownie batter evenly into the prepared baking dish. Pour the cheesecake mixture over the brownie batter. Use a spoon to create 3 to 4 lines with the reserved brownie batter on top of the cheesecake layer. Swirl the lines into the cheesecake mixture using a toothpick or small knife.
04 -
Bake for 45 minutes or until the top of the brownies is just set and a tester comes out mostly clean. Cool completely and refrigerate until chilled before serving.