In the south, cowpea is called green beans. In fact, the kidney beans in the north and the green beans in the south are all vegetables. Southerners like to dry green beans and stir-fry potatoes. Northerners like to cook cowpeas and potatoes together. When I was a child, my mother often made this sauce with cowpea potatoes and a meal.
Potato peeled and cut hob block spare
Kidney beans are removed from the tendons
Add the onion mate after the oil is hot, stir fry
Add cowpea and stir fry evenly
Add potatoes, stir fry for a while
After the color changes, add an appropriate amount of water (or broth), the amount of water to half of the dish, add the right amount of salt, cover the lid and cook for a while, until the dish is drained
Put on the plate and eat it.