01 -
In a large bowl, blend graham cracker crumbs with granulated sugar. Incorporate the melted butter and stir until the mixture is evenly moistened.
02 -
Evenly press the crumb mixture into the base of a 23 x 33 cm baking dish. Place in the freezer for several minutes to set while assembling the filling.
03 -
In a medium bowl, beat softened cream cheese, powdered sugar, vanilla extract, and sour cream together until creamy and smooth.
04 -
In a chilled bowl, whip the cold heavy cream on medium-high speed until stiff peaks form.
05 -
Carefully fold the whipped cream into the cream cheese mixture, maintaining the mixture's airiness.
06 -
Spread the cheesecake filling evenly over the chilled crust. Smooth the surface with an offset spatula. Refrigerate for at least 4 hours or freeze for a minimum of 2 hours until set.
07 -
In a medium saucepan, combine blackberries, granulated sugar, vanilla extract, ground cinnamon, water, and cornstarch. Mix well and bring to a boil over medium heat, stirring constantly.
08 -
Reduce heat and simmer for 8 to 10 minutes, stirring occasionally, until blackberries break down and the sauce thickens to a jam-like consistency. Remove from heat and allow to cool completely.
09 -
Evenly spread the cooled blackberry topping over the set cheesecake filling. Slice into portions and serve.