My favorite ingredient in McDonalds fries has to be "natural beef flavor". :-)
Potatoes, Vegetable Oil (Canola Oil, Soybean Oil, Hydrogenated Soybean Oil, Natural Beef Flavor [Wheat and Milk Derivatives]*, Citric Acid [Preservative], Dextrose, Sodium Acid Pyrophosphate (Maintain Color), Salt. Prepared in Vegetable Oil: Canola Oil, Corn Oil, Soybean Oil, Hydrogenated Soybean Oil with TBHQ and Citric Acid added to preserve freshness. Dimethylpolysiloxane added as an antifoaming agent. Contains: Wheat and Milk. *Natural beef flavor contains hydrolyzed wheat and hydrolyzed milk as starting ingredients.