Blueberry Crumble Cheesecake with Cookie Crust and Streusel - Yummy Gusto

Ingredients

• 250 g digestive or graham crackers, finely crushed
• 2 tablespoons granulated sugar
• 75 g unsalted butter, melted
• 300 g fresh blueberries
• 1 tablespoon granulated sugar
• 1 tablespoon all-purpose flour
• 2 teaspoons lemon juice
• 110 g all-purpose flour
• 80 g dark brown sugar
• 70 g unsalted butter, melted
• 800 g full-fat cream cheese, room temperature
• 260 g granulated sugar
• 200 g sour cream 18%, room temperature
• 1.5 tablespoons cornstarch
• 2.5 teaspoons vanilla extract
• 4 large eggs