1. Dice tofu. Shred green onion, garlic, shallot and ginger.
2. Stir oyster with cornstarch. Put salt in boiling water and blanch tofu. Then put Shao Xing wine in water and blanch the oyster for 30 seconds and clean it.
3. Heat the oil, stir fry fermented bean, then put in shallot, ginger and garlic. Put in ½ cup of chicken broth, oyster sauce, sugar, Shao Xing wine, dark soy sauce and pepper. Put in tofu and oyster. Put a little more dark soy sauce. Thicken the sauce with cornstarch water. Put in green onion.