Patty Duke Astin's Deep Dish Apple Pie

• 1 prepared double-crust pastry
• 1 lemon
• 1 egg yolk mixed with
• 750 gr tart green cooking apples
• 120 gr dairy sour
• 75 gr brown sugar (light)
• 65 gr sugar (white)
• 45 gr sweet butter
• 16 gr flour
• 3 gr cinnamon (ground)