Created in 1962 for Roman Catholics abstaining from meat on Fridays, the Filet-O-Fish has since found a home in a different religious community in America: the Muslims.

Is fish filet Halal?

We understand that fish itself is not considered halal or haram, but we can confirm that the Filet-O-Fish does not contain any meat ingredients and is cooked in 100% vegetable oil, separately from other products. ... Nothing in McDonald's menu is certified as Halal.

Is Filet-O-Fish vegetarian?

Yes, the cheese used in our Filet-o-Fish® is indeed suitable for vegetarians. You may be interested to note, however, that although the Filet-o-Fish® patty is fried in the restaurants in non-hydrogenated vegetable oil, this oil could come into contact with oil that has been used to fry our chicken products.