Steam the green crab for 15 minutes. Here's how to do it:Ingredients:1 green crab, 10g of shredded ginger, moderate amount of garlic powder, 5ml of sesame oil, 5g of sugar, and 10ml of yellow wine.1. Take out the bought green crabs, and brush their shells with water.2. Pry open the abdomens of the green crabs with a knife at the bottom of the crabs.3. Pick out the gills of the crabs with your hands and throw them away.4. Peel the skin off of the green crabs, and rinse them well with water and set them aside.5. The whole roasted green crabs are also Rinse with water and set aside.6. Put the processed green crabs into a plate and put shredded ginger on top of the green crabs.7. Add garlic paste, granulated sugar and sesame oil to the green crabs, and drizzle with yellow wine.8. Cover the green crabs and steam them in a pot for 15 minutes.9. After 15 minutes, the green crabs can be taken out of the pot and loaded on a plate to start eating.