1. Mix flour and water to form flour water, remove the roots of raw green onions and cut them into chopped green onions
2. Pour the oil into a saucepan and brush evenly, and heat it over medium-low heat
3. Then put in the buns evenly and leave a certain gap
4. Pour the mixed flour and water into the pan, and finally sprinkle a little green onion on the top of the bun
5. Cover the pot and simmer over medium-to-low heat for about 10 minutes until the flour paste becomes crispy, then turn off the heat
