Deep-fried Mars bars, Oreos, cakes, burgers; these artery-clogging treats have become the norm at American state fairs. Once a social gathering to exhibit livestock and farm produce, the state fair has recently become a deep-frying competition to see what type of confectionary can cause a heart attack the quickest. Anything edible that can possibly be imagined in the human mind has been deep-fried at these exhibitions. Anything. Even butter.