For the blueberry filling
For The Cream Cheese Filling
In a small saucepan over medium heat, add blueberries, sugar, 3 tablespoons water and lemon juice. Stir and cook until blueberries have burst, approximately 3-4 minutes after coming to a boil.
In a small bowl, mix remaining water and cornstarch until combined then add to blueberry mixture.
Continue stirring until blueberry mixture has thickened. Remove from heat and let cool.
For The Cream Cheese Filling
In a medium bowl, using a electric mixer, beat cream cheese until fluffy, about 2-3 minutes.
Add sugar, vanilla extract and lemon juice. Beat for an additional 2 minutes.
