2. Put it in a cooking machine, and add appropriate amount of water to make juice.

3. Pour 250g celery juice into the toaster bucket.

4. Add 2 grams of salt.

5.2 grams of baking soda.

6.5 grams of sugar.

7.5 grams of lard.

8. Add 500 grams of flour.

9. Dig a small pit on the flour and add 8 grams of Angel Yeast.

10. Put into the bread machine and press the dough.

1 1. After the dough is made, flatten it into a square or oval shape with a rolling pin.

12. Brush some oil.

13. Sprinkle some salt.

14. Sprinkle with onion.

15. Roll it up and cut it into doses of similar size.

16. The two doses are stacked together and pressed in the middle with chopsticks.

17. Steam in a steamer for half an hour.

18. Boil water and steam for 20 minutes.

19. After steaming, stew in the pot for a few minutes, then open the lid and take it out.