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America in a Bun: A History of Hot Dogs

Beth Kaiserman

By U.S. law, a hot dog can contain up to 3.5 percent non-meat ingredients, usually milk or a soy product. Most popular brands use cellulose casings, which are removed before the product is packaged. Some use natural casings, which stay on the hot dog and provide that delightful “snap” when you bite into the hot dog. In 2012, Americans spent $1.7 billion on hot dogs in supermarkets. But whether they come from a street peddler or at a ballgame, Americans have had a longstanding devotion to their hot dogs.

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