I suggest you go online and have a look.
The practice is as follows
Recipe practice:
1. Cut the beef into small pieces, put it in cold water, dip it in blood, take it out and control the water for use, wash the onion and coriander, slice the ginger, cut the onion into sections, and wash the coriander root for use.
Prepare cooking wine and salt
3. Put the clear water into the pot, put the beef pieces together, and remove the water after the pot is boiled (no cold water is needed).
4. Then put it into the casserole (the casserole is boiled in advance)
Add a little cooking wine
6. Add the right amount of salt.
7. Add ginger slices, onion slices and coriander roots.
8. Open the pot, cover it and stew for an hour.
9. At this time, mix the noodles well and wrap them in fresh-keeping bags to relax and feel comfortable.
10. Then roll it thin with a rolling pin.
1 1. Put a little dry flour on it and cut it into fine noodles.
12. Cook noodles in a boiling pot.
13. Chop coriander and onion, put half in a bowl, and set aside the other half.
14. Cook the noodles, take them out and put them in a bowl.
15. Pour in beef soup and sprinkle with coriander and chopped green onion.