2. Remove the blood foam after boiling, cover the pot and cook for 3-4 minutes on medium heat until it can be easily inserted with chopsticks and no blood emerges. Remove and let cool
3. Shred onion and cut parsley into sections. Rub ginger and garlic into paste, add Chili oil, soy sauce, oyster sauce, aged vinegar, sesame oil, salt and sugar to adjust the juice
4. Cool the beef, cut it into thin slices, add onion, coriander and sauce, add a tablespoon of boiled beef soup and mix well.