1. Put the flour into a basin, stir with chopsticks while adding cold water properly, and stir into cotton wool.

2. Knead the dough by hand, cover it and wake up.

Knead into a smooth dough after 3.20 minutes.

4. Put the dough up and down, and start rolling with a rolling pin.

5. After rolling out the thin slices, spread them evenly, and then roll the bread on the rolling pin and start rolling.

6. Open the bread, then spread it out, then roll it up, roll it up.

7. Repeat the above actions until it becomes thin, then spread it evenly and fold it into dough.