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
Menudo (soup) of this meat which has been previously processed by boiling it in hot water, which reduces cooking time by hours. In its simplest form, beef tripe is rinsed then boiled for three hours in a large pot with half an onion to remove the strong odor of the tripe. It is then removed from the pot, discarding the onion half, and allowed to cool before being cut into strips, or occasionally diced. The water is removed and discarded, then the tripe is put back into the pot and fresh water, oregano, red chili paste or powder, lime/lemon juice, hominy, and