I know that mung bean powder is fermented with water. After fermentation, add edible alkali and salt and put it in boiling hot water, just like lotus root starch. When it becomes sticky and frothy, you can put it away. . Put the container in cold water and let it stand. Just wait until it's solid. Is that clear? If you don't know how to ask me, remember to add points. Thank you! ! ! ! ! ! ! ! My family has done it before, and I am also good at making bean jelly. Besides mung beans, other beans are also delicious. I come from Xinpu. I recommend you to eat the most authentic food. The pedestrian street is low in concentration and adulterated.