The Window On The Sky Organic Mung Green Beans Legumes In Grains Green mung beans, also known as “green soy”, are legumes very rich in proteins and ideal as a side dish or for the preparation of sprouts. Ingrediants Green mung beans (Vigna radiata) How to use Wash the mung beans and let them soak in cold water for 6-8 hours. Drain them, wash them with running water and place them in a large pot with about 7-8 glasses of water (about 1 and a half liters). Bring to a boil and cook over low heat for about 90 minutes. Add salt when cooked and season to taste with oil, soy sauce or gomasio Format 500g pack.