Combine 1/2 cup sugar, 2 tablespoons flour, and cinnamon. Pour over apples in crust. Sprinkle lemon juice on top.
Cut 1/2 cup sugar, 1/2 cup flour, and 1/2 cup butter or margarine together, and top pie with the mixture.
Take two 15 inch pieces of parchment paper and enclose pie; fold edges up 3 times. Place on a baking sheet.
Bake in preheated oven for 1 hour. Remove from oven, split parchment open and cool pie on wire rack. DO NOT open parchment covering while baking! Serve warm, or at room temperature.