2. Put the yeast powder into warm water, stir it evenly, and let it stand for a period of time to completely dissolve it.

3. Pour the solution into the flour and stir it with chopsticks.

4. Fully stir into cotton wool.

5. Grab a ball with your hands and rub it many times. Knead until the dough has a smooth surface, and put the kneaded dough into a basin.

6. Cover with a lid or wet gauze and let it stand in a warm place for about 2 hours for fermentation.

7. When the dough is fermented, prepare the stuffing, chop the pork into minced meat, shred the onion and ginger, and soak in boiling water for a while.

8. Then filter out the minced onion and ginger, put the water into the minced meat, while stirring in one direction with chopsticks, add oyster sauce, soy sauce, sugar, sesame oil and salt, and continue to stir in one direction for later use.

9. Take out the fermented dough and make steamed bread.

10, take a proper amount of stuffing and put it in the center of the dough to make buns.

1 1. Put a proper amount of water in the steamer, brush a thin layer of oil or drawer cloth on the steamer, put in the cooked green embryo, cover the lid tightly, steam for about 18 minutes, turn off the fire, wait for about 3 minutes, and then take it out with the lid open.