01 -
Preheat oven to 175°C. Spray a 23 cm springform pan with nonstick spray, line the base with parchment, and spray again. Set aside.
02 -
Combine melted butter, sugar, and graham cracker crumbs in a bowl. Mix until uniformly coated. Press firmly into the bottom and slightly up the sides of the prepared pan.
03 -
Bake the assembled crust for 12 minutes. Remove and allow to cool completely.
04 -
Beat cream cheese and sugar in a large bowl on medium speed until smooth and creamy. Lower speed, add eggs one at a time, mixing each until just combined. Stir in lemon juice, lemon zest, and vanilla until incorporated.
05 -
Add 125 g of the blueberries, sugar, cornstarch, water, and lemon juice to a small saucepan. Stir and cook over medium heat until berries burst. Add remaining blueberries and simmer until sauce thickens. Cool before using.
06 -
Place the pan on a large piece of foil and wrap tightly to prevent water leakage.
07 -
Pour half the cheesecake mixture into the cooled crust and smooth the top. Add half the blueberry sauce in dollops and swirl gently with a toothpick. Cover with the remaining filling, top with remaining blueberry sauce, and swirl again for a marbled finish.
08 -
Set the wrapped pan in a roasting pan. Fill the roasting pan with hot water until it reaches halfway up the cake pan. Bake for 60–70 minutes until the center is set but slightly wobbly.
09 -
Transfer the baked pan to a wire rack. Let cool to room temperature, then refrigerate for at least 4 hours or overnight. Only remove from the pan when fully chilled.