What McNuggets Are Made Of
Mechanically separated, chemically sterilized, artificially flavored meat paste, the main ingredient in chicken mcnuggets and other delectable foods.
Read more about it on Huffington Post.
UPDATE: It seems McDonald’s has sent a correction to Huffington Post saying that they no longer use any ingredient that legally has to be labeled as “mechanically separated” in their mcnuggets. More info in the article linked above.