<Tr> <Td_colspan="2"> Cookbook: Potato chips Media: Potato chips </Td> </Tr> <P> A potato chip or crisp is a thin slice of potato that has been deep fried or baked until crunchy . Potato chips are commonly served as a snack, side dish, or appetizer . The basic chips are cooked and salted; additional varieties are manufactured using various flavorings and ingredients including herbs, spices, cheeses, other natural flavors, artificial flavors and additives . </P> <P> Potato chips are a predominant part of the snack food and convenience food market in Western countries . The global potato chip market generated total revenues of US $16.49 billion in 2005 . This accounted for 35.5% of the total savory snacks market in that year ($46.1 billion). </P> <P> The earliest known recipe for potato chips is in William Kitchiner's cookbook The Cook's Oracle, first published in 1817, which was a bestseller in England and the United States . The 1822 edition's version of recipe 104 is called "Potatoes fried in Slices or Shavings" and reads "peel large potatoes, slice them about a quarter of an inch thick, or cut them in shavings round and round, as you would peel a lemon; dry them well in a clean cloth, and fry them in lard or dripping". Early recipes for potato chips in the United States are found in Mary Randolph's Virginia House - Wife (1824), and in N.K.M. Lee's Cook's Own Book (1832), both of which explicitly cite Kitchiner . </P>

Who came up with salt and vinegar chips