01 -
Process biscuits in a food processor until finely ground. Combine with melted butter in a bowl, mixing until the texture resembles wet sand.
02 -
Press the mixture firmly into the base and slightly up the sides of a 16 cm x 10 cm or 17 cm x 8 cm springform pan using the back of a spoon or small glass. Freeze to set while preparing the jam.
03 -
In a large microwave-safe bowl, combine blueberries and sugar. Mix to coat. Microwave for approximately 1.5 minutes, pausing to stir twice during cooking. Allow to cool slightly.
04 -
Spread half of the cooled blueberry jam evenly over the chilled biscuit base. Return pan to freezer to firm both layers.
05 -
In a large bowl, whisk cornstarch with half the heavy cream until smooth. Add remaining cream and combine. Add cream cheese, blending with a spatula to eliminate lumps. Switch to a whisk to incorporate eggs one by one, mixing well after each. Add granulated sugar and mix until smooth and cohesive.
06 -
Pour cheesecake filling onto chilled crust and jam. Preheat oven to 180°C. Bake for 50–60 minutes until center is set but slightly wobbly. Turn off oven and leave cheesecake inside for 20 minutes. Slightly open oven door and let cool for 20–30 minutes.
07 -
Refrigerate cheesecake for at least 4 hours, or overnight for optimal texture and flavor development.
08 -
Spread remaining blueberry jam evenly on top. Garnish with fresh blueberries before serving.