"It is also one of the most beloved Vietnamese dishes in the western hemisphere due to its complex, unique flavors, and elegant simplicity," according to TasteAtlas, an experiential travel guide to traditional food that collates authentic recipes, food critic reviews, and research articles about popular ingredients and dishes.
The soup is traditionally served with chicken or beef broth where the bones simmer lazily for at least three hours until the broth is perfect.
"The addition of herbs and spices accentuates the flavors, and the chewy rice noodles, juicy beef slices, and crunchy sprouts elevate the dish to another level," it added.
The magazine also recommended the best places in Vietnam to try the dish like Quynh's and the Hoa Pasteur stall in Ho Chi Minh City and Thin's stall or Gia Truyen's in Hanoi.
A bowl of pho bo in HCMC and Hanoi costs from VND30,000 to 50,000 ($1.32-2.20).
Italian pizza topped the world list, followed by Japanese sushi and the American burger.