1. Materials: 4 crabs, wheat flour, garlic, ginger, pepper, coriander, onion, vinegar, pepper, cooking wine, starch and sugar.

2. First, clean the crabs, steam them in a steamer until they are 6% mature, and cut the seasonings such as onion, ginger and garlic.

3. Remove the lungs and stomach from the steamed crab, cut it into cold salad, and then wrap it with a layer of wheat flour;

4. Put a proper amount of oil in the wok, and fry the crab wrapped in powder in the wok until golden.

5. Clean the pot again, pour the oil, add the onion, ginger and garlic, stir-fry the pepper until fragrant, and then pour the crab;

6. After stir-frying, add appropriate amount of salt, sugar, cooking wine, vinegar and water to cover the pot and cook;

7. finally, sprinkle with pepper, thicken and collect the juice.