Beat egg white and 2 teaspoons water. Cut 4-5 slits in the top crust to allow steam to escape. Brush with egg mixture and sprinkle with sugar.
Bake at 425°F for 15 minutes, reduce heat to 375°F and bake an additional 35-40 minutes or until the crust is golden and the apples are tender.
(Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.)