Slutty Cheesecake Bars

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.
Add the Brownie Topping: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 the brownie batter into the cheesecake layer to achieve a marbled effect. (Be careful not to overmix; you want distinct layers