<img src='https://i.cbc.ca/1.6911769.1689807158!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_460/1241700411-plate-full-of-hot-dogs.jpg' alt='1241700411 plate full of hot dogs' width='460' title='NEW YORK, NY - JULY 04: A plate full of hot dogs is seen during the 2022 Nathans Famous Fourth of July International Hot Dog Eating Contest on July 4, 2022 in New York City. The contest, which has happened every year since 1972, has returned in front of Nathan’s Famous on Surf Avenue this year. (Photo by Kena Betancur/Getty Images)' height='259' /> Jamie Loftus travelled the United States in 2021 to learn more about the hot dog, including tasting dozens of regional variations, for her book Raw Dog: The Naked Truth About Hot Dogs.