The Best and Prettiest Apple Pie

Preheat the oven to 375 degrees 1. Butter and cover the bottom and sides of a spring form with parchment paper. 2. Pill and core the apples, cut them each in half and then slice thinly. 3. In a bowl sprinkle the apples with lemon juice, 1 tablespoon sugar, flour or cornstarch, cinnamon and nutmeg. Mix gently to cover all the apples. Put aside. 4. Separate the eggs. 5. Cut the butter into small pieces. 6. In a mixing bowl add the flour, butter, egg yolks and sugar, salt and lemon zest. 7. With your finger tips crumble all the ingredients until everything is well combined to a uniform crumbled mixture. Refrigerate while preparing the fluffy filling. 8. Beat the egg whites with a pinch of Cream of Tartar and a pinch of salt. Slowly add sugar and continue until stiff picks forms. Fold in gently in three or four portions to the almond flour, add the almond or vanilla extract. 9. Sprinkle 2/3 of the crumbled mixture on the bottom of the spring form then nicely lay out all the apples. 10. Cover with the fluffy filling, top with the remaining crumbled mixture. 11. Bake in the middle rack of the oven. After 15 minutes lower the temperature to 350 degrees. It usually takes one hour to bake. If the top browns to fast, cover the last 15 or 20 minutes with a round piece of parchment paper or foil. 12. Cool to room temperature on a wire rack.