Food At Amusement Sites and Festivals

...However, it was in 1904, at the St. Louis World's Fair, that fairgoers were introduced to the first real "fast food," mainly hot dogs and ice cream that can be eaten on the go.

Throughout the years, festivals and fairs grew larger and more popular, demanding more food selections, progressing to caramel apples, corn on the cob and nachos. Then came the age of everything battered and deep fried, including cookies, candy bars, Twinkies, cheese curds, pralines and even macaroni and cheese. Some state fairs boast claims of more than 50 varieties of foods on a stick.

http://www.postcrescent.com/article/200907...od-at-festivals