Steamed sturgeon practice steps, sturgeon killed and washed, the surface with a brush to brush the mucus. Marinate the fish body, fish belly with salt and cooking wine, onion and ginger silk for 15-20 minutes. Steamer water boil, put the fish, steam steam 7-8 minutes, not more than 15 minutes. (Depending on the size of the fish, the time will vary.) When the fish is done steaming, pour 2 tablespoons of black bean sauce over the fish. Add the peppercorns to the frying pan and pour in the oil. Heat the oil over low heat until it smokes, then remove the peppercorns and pour the hot oil over the fish as well as the shredded green onions.