1. Cut the cowpea into small sections, put it in water, blanch it and remove it.
2. Put it in cold water, several times in cold water to keep the cowpea green
3. Remove the controlled water and put it into a basin, add appropriate amount of light soy sauce, vinegar, salt, and dried red pepper. Mince garlic and put on top
4. Put an appropriate amount of vegetable oil in the pot, heat it up, add the peppercorns and fry them until fragrant, remove the peppercorns
5. Pour the pepper oil on the minced garlic and chili
6. Stir well and serve.
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