01 -
Preheat oven to 325°F (163°C). In a bowl, combine graham cracker crumbs, granulated sugar, and melted butter until evenly blended.
02 -
Firmly press the mixture into the base of a standard springform pan. Bake for 10 minutes and allow to cool completely.
03 -
In a large bowl, beat softened cream cheese with granulated sugar until a smooth, creamy texture forms. Add vanilla extract, then incorporate eggs one at a time, followed by sour cream and heavy cream.
04 -
Gently fold in the strained blackberry puree to create a marbled effect within the filling.
05 -
Pour the filling evenly over the cooled crust. Place the pan in a water bath and bake at 325°F (163°C) for 50 to 60 minutes, until the center is just set with a slight jiggle.
06 -
Once baking is complete, turn off the oven and leave the cheesecake inside with the door slightly open for 1 hour to prevent cracks.
07 -
In a small saucepan over medium heat, combine fresh blackberries, granulated sugar, and lemon juice. Add the cornstarch slurry and stir until the mixture thickens to a sauce consistency. Set aside to cool completely.
08 -
Spread the cooled blackberry topping over the chilled cheesecake. Refrigerate for a minimum of 4 hours. Garnish with additional fresh blackberries before serving.