Make the Crust
Mix graham cracker crumbs, sugar, and melted butter until combined.
Press into a springform pan and chill in the fridge while making the filling.
Prepare the Cheesecake Filling
Beat softened cream cheese, powdered sugar, vanilla, and lemon juice until smooth.
In a separate bowl, whip heavy cream until stiff peaks form.
Gently fold whipped cream into the cream cheese mixture.
Spread over the chilled crust and smooth the top.
Make the Blueberry Topping
In a saucepan over medium heat, cook blueberries, sugar, and lemon juice for 5 minutes.
Stir in cornstarch slurry and simmer until thickened.
Let it cool completely before adding to the cheesecake.
Assemble & Chill
Pour cooled blueberry topping over the cheesecake.
Cover and refrigerate for at least 4 hours (overnight for best results).