01 -
Preheat oven to 175°C (350°F). Grease a 23cm (9-inch) springform pan and line the bottom with parchment paper for easy removal.
02 -
In a large mixing bowl, combine melted butter and granulated sugar until well mixed. Add eggs and vanilla extract, mixing until smooth.
03 -
Sift together flour, cocoa powder, and salt before adding to the wet mixture. Stir gently until just combined, then fold in the chocolate chips.
04 -
Pour brownie batter into the prepared springform pan, spreading evenly. Bake for about 20 minutes until a toothpick inserted in the center comes out with moist crumbs. Remove and let cool slightly.
05 -
Beat softened cream cheese until smooth in a large mixing bowl. Gradually add sugar and mix until well combined.
06 -
Add eggs one at a time, mixing well after each addition, followed by vanilla extract. If using flour for a thicker texture, add it with the sour cream, then mix until smooth and creamy. Gently fold in the sour cream.
07 -
Pour cheesecake mixture over the cooled brownie layer in the springform pan, spreading evenly.
08 -
Bake at 163°C (325°F) for 50-60 minutes, until the center is set with only a slight jiggle. Turn off oven, crack the door, and allow cheesecake to cool inside for about an hour to prevent cracking.
09 -
Once cooled, cover and refrigerate for at least 4 hours, preferably overnight, to allow it to set completely.
10 -
Remove set cheesecake from the springform pan. Optionally decorate with whipped cream and chocolate shavings or dust with cocoa powder. Slice and serve chilled.