Apple pie filling: 8 large apples ¾ cup granulated sugar 1 teaspoon cinnamon ½ teaspoon nutmeg, optional ½ teaspoon sea salt 3-4 tablespoons all purpose flour 2-3 teaspoons lemon juice or about 1/2 fresh squeezed lemon, optional, but recommended 2 teaspoons vanilla extract, optional 1-2 tablespoons butter 1 beaten egg, optional sugar for top of pie Pie crust: 1 cup so