Material preparation: 800g of crab, 0g of onion10g, 5g of ginger, 5g of sugar, etc.

1 Wash the crab and soak it in ice water to freeze it out. You can also directly use pointed chopsticks to poke into the mouth of the crab, so that the crab can pass out quickly.

2. Put a handful of onion at the bottom, put the crab, carved flowers and sugar upside down, mix well, pour it on it, cover it with a few pieces of ginger, and steam for 15 minutes.

3. After cooking, wait for natural cooling, wrap it with plastic wrap, and refrigerate it for more than 3 hours, preferably overnight. It can be eaten after refrigeration.

The species of crabs are listed as follows:

1, Guan Gong crab

The breastplate of Guan Gong crab's head is longer than its width, with furrows and ridges on its back, just like Guan Gong's facial makeup in China's classical drama. Eriocheir Kwangtaenidae is a group widely distributed in the world's oceans, and there are about 19 species in the offshore of China. The claw feet of the female of Guan Gong crab are symmetrical with those of the underdeveloped male.

2. Portunus

Portunus trituberculatus is huge, the largest individual can reach1000g, generally 400g, and its body width is 200mm. The body of Portunus trituberculatus consists of head, chest, abdomen and appendages.

3. Hermit crab

Hermit crab is the general name of Herminioidea and Herminioidea. Its shape is between shrimp and crab, and most of them live in snail shells. Long figure, split chest and abdomen. The head and chest have a head breastplate, but it does not cover the last thoracic segment.