- preheated oven for 8–10 minutes. Remove and let it cool slightly.
- In a large bowl, beat the softened cream cheese with the sugar until smooth and creamy.
- Add the eggs one at a time, then mix in the vanilla extract and sour cream until the mixture is well combined.
- Pour this cheesecake batter over the pre-baked cookie crust and smooth the top with a spatula.
- Prepare the brownie batter according to the package instructions.
- Dollop the brownie batter over the cheesecake layer.
- Using a knife or a skewer, gently swirl