01 -
Combine blueberries, sugar, and lemon juice in a saucepan over medium heat. Cook for 5 to 7 minutes, then stir in the cornstarch mixture. Continue cooking until thickened. Remove from heat and cool completely.
02 -
Preheat oven to 325°F (160°C). Mix cookie crumbs, melted butter, and sugar thoroughly. Press the mixture evenly into the base of a 9-inch springform pan. Bake for 10 minutes, then cool.
03 -
Beat the softened cream cheese until smooth. Add sugar and continue beating. Incorporate eggs one at a time, blending gently after each addition. Mix in sour cream, vanilla extract, and cornstarch, then fold in the melted white chocolate.
04 -
Pour most of the cheesecake filling over the cooled crust. Spoon blueberry sauce atop and swirl gently. Add remaining filling and repeat swirling.
05 -
Place the springform pan into a water bath. Bake for 55 to 65 minutes until the center jiggles slightly. Turn off the oven, crack the door, and allow the cheesecake to rest inside for 1 hour.
06 -
Remove the cheesecake from the water bath and loosen the edges from the pan. Cool at room temperature, then cover and refrigerate for at least 4 hours or preferably overnight.
07 -
Top with extra blueberry sauce, fresh blueberries, and white chocolate curls if desired. Slice using a warm knife for clean cuts.