Preheat oven to 475 degrees F.
Prepare crust as directed on package. Place on foil lined baking sheet, pressing out any folds or creases.
Mix 3/4 cup sugar, corn starch and cinnamon in medium bowl. Add apples and toss to coat well. Spoon into center of crust, spreading to within 2 inches of edges. Dot with butter. Bring crust over applesto form a border of about 2 inches, pleating or folding crust as needed.
Brush edge of crust with egg white; sprinkle with 1 tsp. sugar.
Bake for 20 minutes or until apples are tender and crust is golden brown. Cool slightly before serving.
by The Savvy Kitchen