Mix everything in the order shown except the egg whites and optional seeds. Knead for about five minutes in a bread mixer. Let rest for 15 minutes covered. Shape the dough into 2 loaves and place on a greased cookie sheet. Lather the tops of the loaves with the egg whites, cut four to five shallow cuts on top of the loaves. Next, sprinkle with seeds if desired. Let rise one more time about 15 minutes. Preheat the oven to 450 degrees and bake for 15 minutes.