Instant vermicelli. According to relevant query information, bagged disposable vermicelli late night snacks are called instant vermicelli. The seasoning packets and vermicelli are brewed with boiling water and can be eaten, which is simple and convenient. Vermicelli is one of the common foods in China. It is a kind of filamentous food made from mung beans, sweet potato starch, etc., hence the name vermicelli. It is often also called vermicelli silk or winter vermicelli. The best vermicelli is made from mung beans, and can also be made from mung beans. It is made from corn starch or sweet potato starch, but the quality is not as good as mung bean vermicelli. Mung beans contain the most amylose, which makes them less likely to rot when cooked and has the creamiest texture.