Udon are Japanese noodles that can be placed into a broth like base, or a soup base. Many noodles come in packages that include the directions for cooking on the back. The direction come in both English and Japanese but the rest of the nutritional facts are in Japanese. There are so many different flavors including Soy and Sesame flavored noodles. The cooking instructions tend to highlight any time and amounts of additional ingredients that you need to add.