This lemon poppy seed angel food cake is a light and airy dessert that is perfect for any occasion. The cake is made with all-purpose flour, sugar, egg whites, cream of tartar, salt, lemon zest, lemon juice, and poppy seeds. The ingredients are mixed together and baked in a preheated oven for about an hour. Once the cake is done, it is cooled and then topped with a lemon glaze made with powdered sugar and lemon juice. This cake is perfect for serving as a light dessert after a heavy meal.