1. Cut kidney beans at both ends, chop ribs into small pieces
2. Preparation materials: 500g kidney beans, 400g ribs, 1 potato, 150g corn, appropriate amount of green onion, ginger, star anise, 1 small bowl of soybean paste
3. Pork ribs in a pot under cold water, add green onion and ginger cooking wine, blanch the blood foam
4. Leave the oil in the pot, add green onion, ginger, star anise, add soybean paste and stir fry until fragrant
5. Add kidney beans and stir fry evenly
6. Add potato pieces, ribs, and appropriate amount of water
7. Add 3 spoons of light soy sauce, 2 spoons of oyster sauce, 1 spoon of dark soy sauce, bring to a boil over high heat, and simmer over medium heat
8. Just close the soup
