Ingredients: 4 medium-sized cooking apples, peeled, cored, and diced 1 tablespoon lemon juice 1/2 tablespoon melted butter 1/4 cup light brown sugar 1/4 cup granulated sugar 1/4 teaspoon nutmeg 2 teaspoons ground cinnamon 2 tablespoons cornstarch 1/2 teaspoon salt 1 pound puff pastry, tha…