1. main ingreadient.
2. Wash the live river crabs and cut in half.
3. Dip the cut noodles of the river crab with dry flour. Cut the green onion, ginger and garlic.
4. Fry the river crabs in a frying pan.
5. Deep-fry the river crabs, deep-fried and remove them for later use.
6. Heat oil, scallion, ginger and garlic in a pot.
7. The aroma comes out with cooking wine, sugar, vinegar, light soy sauce, and salt. Stir-fry the soup thickly.
8. Add the fried river crabs and stir fry quickly.
9. Stir fry until every piece of river crab is covered with sweet and sour sauce.
10. Sweet and sour river crab.
