6 cups apples peeled, sliced tart cooking (such as Granny Smith)
1 frozen pie crust unbaked 9-inch pastry shell
1 cup sugar
1 teaspoon cinnamon ground
3/4 cup flour
1/3 cup butter or margarine, cut in pieces
Arrange apples in pastry shell. In a small bowl, mix 1/2 cup of the sugar and cinnamon; sprinkle over apples.
In a small bowl, mix flour and remaining 1/2 cup sugar. With a pastry blender or two knives, cut in butter until mixture resembles coarse crumbs. Sprinkle over apples.
Bake 40 minutes or until apples are tender. Cool on a wire rack.