2. Pick kidney beans, wash them in sections and cut potatoes into small pieces for later use.
3, the oil is hot, put chopped green onion, northeast soy sauce, stir-fry kidney beans for 2 minutes, and put a tablespoon of soy sauce.
4, add water, don't over-fry the vegetables, put the potatoes on a small fire, stew 15 minutes, stew the juice and kidney beans together.