1. First, cut the dried peppers and garlic and check whether there is mildew inside the dried peppers.
2. Put oil in the pot and turn to medium heat. Add garlic and dried peppers and fry for half a minute.
3. Mix white sugar, rice vinegar, steamed fish oil and cold boiled water into cold sauce.
4. Then pour the fried dried Chili and garlic into the mixed juice and stir well.
5. Pour the cold sauce into the cut beef, mix well and let it cool.
6. Wash the coriander and cut it into pieces with a knife.
7. After the beef is completely cooled, add the coriander and stir together. Mix well, it tastes salty. If it is not salty enough, add a little soy sauce.