Blueberry Crumble Cheesecake Bars

Name: Blueberry Crumble Cheesecake Bars
Prep time: 15 min
Cook time: 55 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 1 1⁄2 C Graham Cracker Crumbs; 3 Tbsp granulated sugar; 4 Tbsp unsalted butter, melted; 2 tsp granulated sugar; 2 tsp all-purpose flour; 1 Tbsp freshly squeezed lemon juice; 1 C blueberries; 1 C all-purpose flour; 1⁄4 C packed light brown sugar; 1⁄4 C granulated sugar; 7 Tbsp cold unsalted butter; 1 1⁄2 Cream Cheese brick (12 oz), room temperature; 1⁄2 C sour cream, room temperature; 1⁄2 C granulated sugar; 2 large eggs,room temperature; 1⁄2 tsp Kosher salt; 1 1⁄2 tsp pure vanilla extract