Cook oysters in the shell for 8 minutes. Oysters in the shell are relatively less well heated and take slightly longer to cook, usually about 8 minutes after the water boils, but not usually used to make soup with oysters in the shell.

Oysters in the shell are cooked for 5 minutes. Oyster meat without shell to cook soup, oyster meat directly in contact with hot water, it is easier to ripen, so you can cool water in the pot, high heat to boil, boil and then cook for 5 minutes.?

Oysters are a common seafood, rich in protein and unsaturated fatty acids, which protein is easy to be decomposed by bacteria, easy to breed bacteria, metabolites have the potential to affect the health of the body, and unsaturated fatty acids are easy to oxidize, preservation of the improper overnight, if you will reduce the nutritional value, so the overnight drink of the oyster soup need to pay attention to preservation methods.