Feel free to adjust measurements based on your taste. I originally taught the soup with more seaweed because I really like it, but I don't think everyone liked it as much as I do, so I reduced the amount. Of course you can leave it out altogether if you wish! Also, some noodles are starchier than others, which means they will thicken up the soup a bit. If you want to avoid that, cook the noodles separately and dived them up between the bowls and pour the soup on top.
Miso is a live food. In order to preserve its beneficial enzymes, do not boil it.
*Try to buy a brand where the noodles are baked, not fried, like Koyo or Ka-me. If you use gluten-free noodles, boil them in a separate pot since they’ll make the soup too starchy.