1. Take out the head of the herring, take out the internal organs, clean them, and dry the water on the surface.

2. Cut the onion into large pieces, slice the ginger and gently pat the garlic with a knife.

3. Heat the frying pan, pour in the oil, add the herring after the oil is heated.

Fry both sides of the fish for a while.

5. Slide the fish to one side of the pot, and pour a proper amount of bean paste into the empty place to stir fry.

6. Wrap the fried bean paste evenly on the herring and fry for a while.

7. Add onion, ginger and garlic

8. Add sugar, vinegar and a little salt.

9. Add the right amount of water to stew

10. Turn off the fire when the soup is thick, and take it out of the pot and put it on the plate.