Break kidney beans, wash, peel potatoes and cut into small pieces, and cut pork into pieces. If you don't like fat meat, you can cut it separately.

Second step

Pour the right amount of oil into the pot. When the oil is hot, fry the fat first, and the color will turn slightly golden. Pour lean meat into the pot and stir-fry, add salt and soy sauce, and stir-fry to taste.

Third step

Add potatoes and stir-fry for 2 minutes, then add kidney beans and stir-fry until the kidney beans are emerald green.

Fourth step

Add kidney beans, add salt and stir-fry until kidney beans are emerald green. Finally, add water and cover it.

Step five

Stir-fry to collect juice, add oyster sauce and chicken essence, and take out.