1, sea urchins can be frozen. After cleaning the selected sea urchins, pry open the black soft shell with radial thorns with scissors, dig out the sea urchin eggs like orange petals in the shell with a spoon, take out the internal organs, and then freeze.

There are many bacteria and parasites in raw sea urchins. The main parasitic bacteria is Vibrio hemolyticus, which is resistant to high temperature and can only be eliminated when the temperature is above 80 degrees. Therefore, sea urchins are best cooked before eating.