1. Flour is made into smooth dough with warm water dissolved in yeast, covered with plastic wrap and fermented in a warm place for one hour.

2. Cut the kohlrabi slightly and blanch it in hot water.

3. Take out the squeezed water and chop it up, then add chopped green onion.

4. Add salt, spiced powder, monosodium glutamate and sesame oil and mix well.

5. After fermentation, knead it into smooth dough.

6. Knead into long strips and cut into evenly sized doses.

7. Roll into dough.

8. Put the stuffing into the dough.

9. Make buns.

10. It is best to put it in the oven for fermentation at low temperature. After the hair is done, put it in a steamer, steam for 20 minutes and then stew for 3 minutes.