Peach and Blueberry Crumble

INGREDIENTS

• :
• 2 pounds fresh peaches, peeled, pitted and cut into wedges ½-inch to ¾-inch-thick
• 1/3 cup granulated sugar
• 1¼ teaspoons cornstarch
• 1 tablespoon lemon juice
• ¼ teaspoon ground cinnamon
• ¼ teaspoon salt
• 1 cup blueberries
• 1 cup all-purpose flour
• ¼ cup + 1 tablespoon granulated sugar, divided
• ¼ cup light brown sugar
• 2 teaspoons vanilla extract
• 6 tablespoons unsalted butter, at room temperature, cut into pieces