1. Soak sea cucumbers. It takes 2-3 days to soak sea cucumbers. Because dried sea cucumbers are relatively hard, they need to be soaked until soft. First, wash the dried sea cucumbers and put them into an oil-free container; then put them into pure water, which can completely soak the sea cucumbers; then put them in the refrigerator, changing the water every morning and evening. Generally, they need to be soaked for 72 hours.

2. Go to Shazui. Take the sea cucumber out of the refrigerator. There is a small opening in the belly of the sea cucumber. Cut it open with scissors. One end of the sea cucumber has sea cucumber teeth, which are small white particles that feel hard to the touch. Remove these. Because there is a little sand hidden under the sea cucumber tendons in wild sea cucumbers, you need to be careful when cleaning. There are a few white stripes inside the sea cucumbers, which are sea cucumber tendons. Sea cucumber tendons are highly nutritious and can be eaten. You can use scissors to cut the sea cucumber tendons. Cut them all into several pieces so that the sea cucumber can grow bigger.

3. Put it in the pot and cook. Boiling sea cucumbers is a critical step in soaking sea cucumbers. When cooking, you should also use purified water and cold water in the pot. After the water boils, cook over medium-low heat for about 30-60 minutes. You can also use a rice cooker with a porridge function. Turn to porridge setting and simmer for an hour. After the sea cucumber is cooked, don't rush to open the lid. After the water boils, the pot will be a sterile environment. The sea cucumber can be better cooked in a natural environment. Cover the lid and simmer until it cools down naturally.

4. Soak sea cucumber. To soak sea cucumbers, you need to add ice cubes and cold water. Take out the sea cucumber, put it into a container with ice water, put it in the refrigerator at 0-4 degrees, continue to soak for 48 hours, and change the water every 12 hours; the water temperature for soaking sea cucumbers should be maintained at 0-5 ℃, once it is too high, it will cause the phenomenon of peeling off the skin and residue. During this period, you can observe the degree of soaking of the sea cucumber. The softness and hardness depend on your taste. If the sea cucumber is soaked, take it out and eat it. If it is not soaked, continue soaking.

5. Storage. Once the sea cucumber is soaked, it can be taken out and eaten. Remove the excess sea cucumber. It is recommended to put the drained sea cucumber in the freezer and store it frozen. It can be thawed the next time you eat it.