Stewed ribs with lotus root, yam, mushrooms, taro and potatoes are rich in nutrition, and contain many vitamins, protein, trace elements and minerals needed by human body. Wash the ribs, put them in boiling water, remove the fishy smell, then put the onion, ginger and pepper in cold water, boil and simmer for about 30 minutes, then add lotus root, yam, mushrooms, taro and potatoes for about 20 minutes.