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
The Moon is made of green cheese round cheese: This folkloric motif is first recorded in literature during the High Middle Ages by the French rabbi Rashi with a Rabbinic parable in his commentary weaving together three Biblical quotations given in the main text (including one on "sour grapes") into a reconstruction of some of the Talmudic Rabbi Meir's supposed three hundred fox fables ("משלות שועלים", in later works "משלי שועלים"), in the tractate "Sanhedrin": Rashi as the first literary reference may reflect the well-known beast fable tradition of French folklore or a more obscure such tradition in Jewish folklore (see also the tradition in Berechiah ha-Nakdan);