Soaking dried cuttlefish with baking soda is very good. It's simple. Just soak the dried cuttlefish in hot water with baking soda. As for time, for example, it usually takes 2-4 hours to soak dried cuttlefish in Dongshenglan, and half an hour to stew soup is enough. Old dried cuttlefish needs to be soaked all night. After the dried cuttlefish is soaked, you can squeeze the fish by hand at this time, and you will find that the fish has been completely soaked, and then rinse it with water.