Serve cold.

1. Rinse Shanxi Dahei Gan with warm water, rinse with clean water, then put it into a container, add an appropriate amount of cooking wine, salt, onion, ginger, garlic, coriander and other seasonings, add an appropriate amount of water, and stir evenly.

2. Place in a casserole, bring to a boil over medium heat, then reduce to low heat and simmer for 30 minutes.

3. Take out the stewed ingredients, put them on a plate, sprinkle with a little chopped green onion, coriander and seasonings, and enjoy.

Daheigan is a traditional delicacy in Shanxi and a must-have dish for entertaining guests.