1. Put the dried sea cucumber you bought home into a basin without water and oil, add appropriate amount of pure water and gently scrub the surface of the sea cucumber to clean the floating ash.

2. Put the sea cucumber into a basin, add an appropriate amount of pure water, the water should be no more than 10 centimeters high, and then put the basin into the refrigerator fresh layer (refrigerator temperature is set at 3-5 degrees Celsius best). The first soaking takes 2 days and 2 nights, during which the water needs to be changed 4 times, every 8-12 hours. Note: During the soaking period, there should not be any impurities in the water.

3. After 2 days and 2 nights of soaking, the sea cucumber will rise to 2.5-3 times the size of the original dried sea cucumber. Next, let's take care of the sea cucumber. Along the small opening on the belly of the sea cucumber, cut it upward and downward respectively. At one end of the sea cucumber, there is a piece of protruding part with white color inside, this is the sand mouth of the sea cucumber, you need to get the sand mouth off and wash the sea cucumber with pure water.

4, the sea cucumber cut open, you can see the sea cucumber's stomach there is a white tendon, need to pay attention to this white tendon nutritional value is also very high, don't pull down thrown. You need to use scissors to cut the white tendon into 3 sections, which is conducive to the soaking of the sea cucumber.

5. Take a big pot without water and oil, with good heat preservation, put the sea cucumber into the pot, then add enough pure water to cover the sea cucumber by 10 centimeters, cover the pot with a lid, boil it with high heat, and then turn to medium-low heat to cook it for 30-40 minutes to cook the sea cucumber. (Hold the center of the sea cucumber with chopsticks and the two ends of the sea cucumber will droop naturally, which proves that the sea cucumber has been cooked.) Don't take out the sea cucumber in a hurry after it is cooked, simmer it in the pot to cool naturally.

6. Put the cooled sea cucumber into a pot, add enough pure water, and continue to soak for 2 days and 2 nights, during which time, change the water 4 times, and change the water every 8-12 hours. (You can freeze some ice cubes in the refrigerator, add appropriate amount of ice cubes every time you change the water, the low temperature will help the sea cucumber to soak).

7. After 4 days and 4 nights of low-temperature soaking, one **** changed the pure water for 8 times, the sea cucumber has been soaked to 3 times the original size. Finally, the soaked sea cucumber, individual with plastic wrap or sea cucumber bag packaging up, placed in the refrigerator freezing within the storage.

8, Note: When soaking sea cucumber, all the containers used should not have oil, and make sure that your hands are oil-free (including women's cosmetics). If the sea cucumber touches oil during the soaking process, the sea cucumber will dissolve itself if it comes into contact with the oil stained area. Soak the sea cucumber in ice water. Soaking in ice water can maximize the retention of the nutrition of sea cucumber. The water used to soak and cook sea cucumbers must be pure water, it is best not to use tap water to soak, the better the water quality, the bigger the sea cucumber, the nutrition is not easy to lose.