Menudo (soup) salt are added and boiled. Menudo is typically served with chopped raw onions, oregano, and lemon or lime segments along with corn or flour tortillas. Menudo almost always includes tripe, and some versions of the dish in Mexico also include honeycomb and "librillo" beef meat along with the beef feet and tendons. Versions of the dish which include meats other than tripe has a much longer cooking time. Pigs feet are also used in northern style menudo for example Chihuahua. The feet and tendons are boiled first at low to medium heat for about three hours. After the first three
Beef noodle soup type of beef noodles tends to be spicy, as garlic, chili oil, doubanjiang or five-spice powder may be added - classic flavor elements of Sichuan cuisine. There are several variations with the soy-based broth, such as spicy, tomato, garlic and herbal medicine. The tomato variation () is popular in Taiwan and features chunks of tomatoes in a rich red-coloured tomato broth with or without soy sauce. The herbal medicine variation is usually served without suancai as a topping (as its acidic properties are believed to inhibit medicinal properties) and may be accompanied by a chili paste made from beef lard.