For 20 points, name this term which refers to foods which are permitted under Jewish dietary law.
Four species of locusts have this quality, but the sciatic nerve does not. Items which do not conform to this are considered "treyf", and include any mammal which does not have a cloven hoof and chew the cud. These items are classified as meat, dairy, and neutral (or parve) due to the necessity of not consuming meat and dairy at the same meal, and chametz, or leavened bread, is not considered this for Passover. For 20 points, name this term which refers to foods which are permitted under Jewish dietary law.
Four species of locusts have this quality, but the sciatic nerve does not.
{kosher} laws or {kashrut}