KIKKOMAN: Instant Tofu Miso Soup Mix, 1.05 oz

Miso soup is commonly prepared with one to two added ingredients, which may include preferred combinations of tofu, wakame seaweed, daikon, various mushrooms or asari clams—topped with chopped Japanese long onion or scallion. 
Miso is a fermented paste whose ingredients are soybeans, salt and one of the following types of koji (fermentation starter): rice koji, barley koji, or soybean koji. The type and amount of koji used determine the character of the miso.