Menudo (soup) added (though jalapeño or chopped green chilies may be added to the broth to replace the spice found in the red version), thus giving the broth a clear or white color. Adding "patas" (beef or pigs feet) to the stew is popular in the U.S. but not universal. In some areas of central Mexico, "menudo" refers to a stew of sheep stomach, "pancitas" stew of beef tongue. In South-Western Mexico (in and around the Distrito Federal, Morelos, and Guerrero) it is called "panza" or "panza guisada". The red variation is usually seen in Chihuahua, the northern state adjoining Texas. It
Tripe also refers to culinary dishes produced from any animal with a stomach. In some cases, other names have been applied to the 'tripe' of other animals. For example, tripe from pigs may be referred to as paunch, or hog maw. Washed tripe is more typically known as dressed tripe. To dress the tripe, the stomachs are cleaned and the fat trimmed off. It is then boiled and bleached, giving it the white color more commonly associated with tripe as seen on market stalls and in butchers shops. The task of dressing the tripe is usually carried out by a professional