1. Wash mung beans and soak for one hour.

2. Add appropriate amount of boiling water to sweet potato powder, stir and knead into dough.

3. Then knead the dough into long strips and cut into dices.

4. The pressure cooker of mung beans can be turned off in about one minute, because mung beans are easy to cook.

5. Add the boiled mung bean water to the potato powder pill. You can add sugar when all the potato powder pills float.

6. If you feel a little thin, you can pour some water blended with potato powder, which will taste better.