熱狗
Contemporary American society also witnessed the creation of new fast foods that originated from the traditional cuisine of various ethnic groups from around the world. For example, [[German Americans|German immigrant]] Charles Feltman invented the [[hot dog]] in 1867 in his stall in [[Coney Island]], New York by pairing a [[Hot dog|frankfurter]] with a bread bun. Imitators such as Harry Magley and Charles Stevens soon began selling hot dogs at [[New York Yankees|New York Polo Grounds]] baseball games. Similarly, [[Italian Americans|Italian immigrants]] sold [[ice cream]] from vending carts in the streets or pasta at their restaurants. [[Chinese Americans|Chinese immigrants]] initially opened restaurants to cater to their fellow Chinese-Americans, but they gradually became accepted by the American clientele, sometimes resulting in truly Chinese-American cuisine such as [[chop suey]]. In this diverse world of ethnic foods, the hamburger was able to rise to mainstream popularity and become a national food of the United States.