Raspberry Pie Ii - cooking recipe

Ingredients

1 recipe pastry for a 9 inch single crust pie
2 1/2 cups raspberries
1/2 cup packed brown sugar
1 teaspoon cornstarch
1 tablespoon butter
1 egg white

Preparation

Preheat oven to 450 degrees F (230 degrees C).
Line a 9 inch pie plate with pastry, and brush with egg white. Arrange berries in crust. Combine sugar and cornstarch; sprinkle mixture over the berries. Dot with butter. Cover with upper crust, and seal the edges.
Bake for 10 minutes. Reduce oven temperature to 400 degrees F (205 degrees C), and continue baking for 30 minutes.