2. Add a proper amount of sugar, baking powder, milk and an egg in a small bowl and stir well until the sugar melts. After stirring, it can be filtered. Add proper amount of flour to a large bowl, pour in milk and egg juice, stir into flour floc, and knead into smooth dough. After kneading the dough, cover it with plastic wrap and let it ferment to about twice its size.
3. After the dough is made, knead it into smooth dough again, then put a proper amount of dough on the panel, knead it into long strips, divide it into small doses with the same size, and then knead it into round small doses. Brush the oil in a large bowl, put a small dose into it, brush the oil on the dough, sprinkle some white sesame seeds, and finally cover it with plastic wrap and wake it for about 30 minutes.
4. After waking up, put it directly on the steamer, boil it with high fire, and then steam it for about 15 1 minute. After 5 minutes, you can open the lid.