Generally, they are dried onions, but there are some differences in each place, which will change according to the taste or place of customers. Dried onions are things that look like onions, a bit like purple garlic. They are like garlic in size and purple in structure.

There are also some good suggestions for cooking fish heads:

1, the bigger the fish head, the better;

2, garlic must be more, in addition to the taste, but also to prevent the fish head from sticking;

3, celery leaves are added, not only for the sake of beauty, but also because of the special fragrance emitted by celery leaves, which increases the compound taste of the fish head, prevents the fish head from sticking to the edge of the casserole, and plays an isolation role;

4, cooking wine to enhance the fragrance, the aroma volatilizes faster after the hot pot cover, and the lid should be cleaned in advance.