: They use vegetable (maybe cottonseed) oil in the friers, but the chips themselves contain animal tallow: As far as I know. Generally its the same anywhere, unless you strike upon a chippie that cuts their own chips
For the record...The oil used to cook ALL our fried products is A blend of corn and soybean oil. That is how it is chainwide. Any McD worker who doesn't believe it should ask their manager to see the Pocket Quality Reference Guide. It contains all the info about products used in the store. F.Y.I, the oil is prodeuced by Procter and Gamble.
None.