1. Wash cowpea, remove tendon, cut into sections, cut carrot into shreds
2. Chop ginger and garlic into granules. Blanch cowpeas before frying, so that they can be cooked thoroughly
3. Heat vegetable oil in the pot, add ginger and garlic to stir fry, add boiled cowpea to stir fry
4. Put the shredded carrot into the pot and stir fry with cowpea
5. Pour in the oyster sauce and mix well (the oyster sauce itself has salty taste, so it is not necessary to put salt or other seasonings when making this dish, and it should be light in summer), and then put it into a pan