How to deal with sea urchin is as follows:

Fresh sea urchin should be purchased back first with water to clean its surface, and then prepare a pair of gloves and a pair of scissors and a clean small spoon. Spread newspaper on the table and take a sea urchin and fix it to the newspaper. The scissors in your hand should cut a round opening from the bottom of the sea urchin and remove the mouthpiece of the sea urchin.

Pick up the sea urchin with your hand and pour out the liquid inside it from the cut out opening, the liquid poured out at this time is mostly seawater from the sea urchin, this seawater should not be thrown away and put it in a bowl for spare. Take out the prepared spoon in your hand and hold it in your hand, slowly upward from the surface of the sea urchin cut out of the mouth, after entering, to gently dial the sea urchin's innards, dig out the sea urchin yellow inside.

Sea urchin purchase method

One should carefully observe, fresh sea urchin spines all over the body will move, the greater the amplitude of the movement, indicating that the better the degree of freshness, the general market vendors will be prepared to sell sea urchin vendors a small screwdriver. The tip of the screwdriver can be used to gently touch the mouth of the sea urchin (the mouth is located in the center of the sea urchin's abdomen), and the mouth of a live sea urchin will quickly contract when it receives stimulation.

Also, don't forget to look at the appearance of the sea urchin. If the urchin is fresh, there is usually no excess mucus on the surface. When more and more mucus is secreted, it means that the freshness of the sea urchin is getting worse and worse. Again, you can also observe the color of the sea urchin after you open the shell, the color of golden yellow is preferred. When you first learn how to pick sea urchins, you can take your time and choose carefully.