Easy Peach Thyme Galette

Name: Easy Peach Thyme Galette
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American
Ingredients: 1 cup pastry flour (substitute all purpose flour); 2 tablespoons granulated sugar; 1/4 teaspoon kosher salt; 1/4 cup unsalted butter (cold); 2 tablespoons vegetable shortening (substitute butter); 2 tablespoons water (cold); 1 egg (beaten for egg wash); 3 large peaches (sliced); 1 tablespoon lemon juice; 1/4 cup light brown sugar; 1 tablespoon cornstarch; 1/2 teaspoon cinnamon; 2 teaspoons fresh thyme