Pizza: Brought over by Italian immigrants in the late 19th century, pizza truly became an American staple after World War II, when returning soldiers craved the dish they'd tasted in Italy.
Hamburgers: While the concept of ground beef has been around for centuries, the hamburger as we know it today likely originated at the 1904 St. Louis World's Fair.
Sushi: Sushi was introduced to the United States in the mid-20th century, but it wasn't until the 1980s that it became widely popular, thanks to a growing interest in Japanese culture and cuisine
Tacos: Mexican immigrants brought the tradition of tacos to the American Southwest in the early 20th century.
Spaghetti and Meatballs: While spaghetti had been a part of Italian cuisine, the addition of large meatballs was an American innovation by Italian immigrants adapting to the more abundant meat supply in the United States.
Hot Dogs: German immigrants in the late 19th century introduced the frankfurter to America, but it was on Coney Island, New York, where the hot dog, served in a bun with mustard
Bagels: Brought to New York by Eastern European Jewish immigrants in the late 19th century, bagels remained a niche ethnic food until the latter half of the 20th century
Fried Chicken: While fried chicken has roots in various cultures, including Scottish and West African, it became a Southern staple in the United States.
Fortune Cookies: Despite being associated with Chinese cuisine, fortune cookies were invented in California in the early 20th century, likely by Japanese-American bakers.
Greek Yogurt: Although yogurt has been a staple in many cultures for centuries, Greek yogurt specifically gained popularity in America in the early 21st century, thanks to brands like Chobani.
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