Miso soup mushroom is a traditional Japanese soup made from miso paste, dashi broth, and mushrooms. The three crossword solutions for the term are ENOKI (5 letters), SHITAKE (7 letters), and SHIITAKE (8 letters). Enoki mushrooms are long, thin, white mushrooms with a mild flavor. Shitaake mushrooms are dark brown and have a more intense flavor. SHIITAKE mushrooms are also dark brown, but have a more earthy flavor. All three mushrooms are commonly used in miso soup.