To do this, add some of your soup broth into a small bowl ... To do so, you'll need egg whites: After separating them from the yolks, whisk the egg whites until frothy and pour into the soup ...
3. Add salt and mirin, usukuchi soy sauce to the dashi and bring to a boil. Thicken with a slurry made from kuzu powder and water. 4. Slowly drizzle the beaten egg into the boiling soup.
This is truly the quickest chicken noodle soup ever ... you just add boiling water and Better Than Bouillon paste (see page 160 for my love letter to this stuff) and egg noodles.