2. Oysters contain nutrients such as protein, zinc, ammonium sulfate, calcium, magnesium, taurine, selenium and iron. , relatively easy to cook. Cooking time should not be too long, otherwise the meat will become old and hard, and its nutritional value will be reduced. Put the washed oyster with shell into a steamer, boil and steam for 5-8 minutes, and the time can be increased or decreased as appropriate.