1, about 20 minutes. Pour warm water into the pot, put the crab into the pot, add onion, ginger and a few drops of cooking wine, and cover the pot.

2. Steam on high fire for 5 minutes, then steam on low fire 12- 15 minutes.

3. After steaming, take out the ginger slices and onion segments, and a delicious steamed crab will be out of the pot.

4. Dip some crab juice when steaming crabs, usually vinegar mixed with water, and add 2 or 3 drops of seafood soy sauce.

5. Then squeeze some ginger juice and garlic juice into it.

6. If it is a big crab, it needs to be steamed for a longer time. Large crabs are also steamed for 5 minutes on high fire, and then steamed for 20 minutes on low fire until cooked and completely sterilized.