01 -
Slice mushrooms, cube tofu, rinse greens, and set udon noodles aside.
02 -
Heat sesame oil in a medium pot over medium heat. Sauté mushrooms until softened and lightly browned. Add tofu cubes and sear slightly for a firmer texture.
03 -
Pour in vegetable broth and bring to a gentle simmer. Stir in soy sauce or tamari.
04 -
Lower heat slightly. Dissolve miso paste in a small bowl with some hot broth, then stir back into the pot. Avoid boiling to preserve flavor and probiotics.
05 -
If frozen, add noodles directly to simmering broth and cook until heated through. If fresh, cook separately according to package instructions and add before serving.
06 -
Toss in spinach or bok choy and cook until just wilted, about one minute.
07 -
Ladle soup into bowls ensuring a balanced portion of noodles, tofu, and vegetables. Garnish with chopped green onions and optional chili oil or togarashi.