1. The purchased screws need to be cleaned, and then they can be soaked in salt water for one night or several days to let the screws spit out the sediment.
2. After the previous treatment, put oil in the pot and heat it, then add pepper, ginger and onion to expose the red oil.
3. Add the snail and red oil and stir-fry for a few minutes.
4. Stir fry, add boiling water or beer, and then cook for five minutes.
5. After cooking, turn off the fire and put it on the plate.