Mix warm water above 30 degrees in proportion, put yeast powder into flour, and then mix flour with warm water to form dough.

1. Pour the yeast powder into a bowl, add a little warm water to melt, add white sugar to the flour, and knead the dough until smooth;

2. Cover the basin with gauze or wrap it tightly in a plastic bag and put it in a warm place for three hours;

3. Rub your face until it is smooth, without touching your hands;

4. Divide the dough into ten small pieces with uniform size;

5. Knead the dough into a smooth circle and put it on gauze;

6. Put water in the pot, boil it, steam it for fifteen minutes, turn off the fire for five minutes, and then boil it.

And "yeast" reads "godmother", not "filial mother"