Caldo de Res or Beef Soup refers to a Mexican dish made of beef bone with marrow, pieces of chambarete, onion, sprig cilantro peeled potato, peas, salt and pepper as desired. The bones and meat are cooked in a pan of water with garlic and cilantro. It is then boiled until the meat is soft, then potatoes and peas are added. Sprinkled parsley, to serve. Caldo de Res is best eaten during lunch or dinner.