Cheese of Islam and Judaism must avoid cheeses made with rennet from animals not slaughtered in a manner adhering to halal or kosher laws. Both faiths allow cheese made with vegetable-based rennet or with rennet made from animals that were processed in a halal or kosher manner. Many less orthodox Jews also believe that rennet undergoes enough processing to change its nature entirely and do not consider it to ever violate kosher law. (See "Cheese and kashrut".) As cheese is a dairy food, under kosher rules it cannot be eaten in the same meal with any meat. Rennet derived from animal
Head cheese usually eaten on Saturday mornings, especially in St. Vincent and Barbados. In Trinidad and Tobago, it is served or sold at most social gatherings, such as parties, all-inclusive fetes and sporting competitions. Head cheese is very popular and is usually referred to as "queso de cabeza" in Chile and Colombia. In Peru, Ecuador, and Costa Rica, it is also known as "queso de chancho". It is known as "queso de Cerdo" in Uruguay and Argentina. In Panama, it is known as "sao" (from Caribbean English souse), made with pig's feet and prepared the same way as in the Caribbean; it