Indulge in the delightful flavors of this Blackberry Peach Galette! With a flaky crust and a sweet, juicy filling, this rustic dessert is perfect for any occasion. Made with simple ingredients like fresh blackberries and peaches, it's easy to whip up and sure to impress. Ready to impress your guests?
1 ½ cups all-purpose flour
4 tablespoons granulated sugar, divided
¼ teaspoon salt
½ cup cold unsalted butter, cubed
4 to 5 tablespoons ice water
1 cup fresh blackberries
1 cup peaches, peeled and sliced
1 teaspoon vanilla extract
1 tablespoon cornstarch
1 teaspoon lemon juice
1 egg (for egg wash)
Optional: powdered sugar for dusting