Mix 1/2 cup sugar, 2 tablespoons flour, cinnamon, and nutmeg. Mix this with apples and pour into pie shell. Sprinkle lemon juice over top.
To Make the Top Crust: Mix 1/2 cup sugar and 1/2 cup flour, then cut in butter. Sprinkle over pie.
Take two 15 inch pieces of parchment paper and enclose pie; fold edges up 3 times. Place on a baking sheet.
Bake at 425 degrees F (220 degrees C) for 1 hour. Remove from oven, split parchment open and cool pie on wire rack. DO NOT open parchment covering while baking!