2. Prepare a pot. This pot must not be an iron pot. In addition, other pots can be used. After all, iron easily reacts with vinegar and affects the aroma of vinegar.
3. After the pot is heated over low heat, pour a little cooking oil, just enough to make the pot smooth. Then quickly add green onions, ginger and garlic cloves, slowly stir-fry until fragrant, then add half a bowl of boiling water. , the ratio of water to vinegar is 1:2, turn the low heat to medium heat, and cook the aniseed ingredients thoroughly to get the fragrance. This process takes 3 to 5 minutes.