Mix noodles first! Then add some yeast and keep the flour at about 20-30 degrees for 3-4 hours. Good hair characteristics: the flour is a little sour and has many pores!

Now just add some edible alkali, add a small amount and stir well. Generally speaking, it is better not to smell sour! Can combine the principle of acid-base neutralization! Hmm. How interesting

Knead into steamed bread! Steam in the pot!

Practice slowly! Do it a few more times and you'll get the hang of it.