Needed materials: mustard paste appropriate amount, old vinegar appropriate amount, cold soy sauce appropriate amount, sesame oil appropriate amount, salt appropriate amount

1, prepare the mustard paste.

2, old vinegar, seafood soy sauce, sesame oil ready.

3, prepare a bowl, squeeze into the appropriate amount of mustard paste, put the appropriate amount of salt.

4, put the appropriate amount of old vinegar, seafood soy sauce and mix well.

5: Add sesame oil and mix well.

6, get the black fungus beforehand, with mustard dipping sauce on the table.