Tham khảo:
Thach Lam in "Hanoi three 36 streets" writes: Pho is a special gift of Hanoi, not only in Hanoi, but because it is delicious only in Hanoi. "classic", cooked with beef, "the broth is clear and sweet, the cake is flexible but not crumbly, the meat is crispy but not chewy, the chili lime with onions is enough", "fresh herbs, northern pepper, drops lemon nuggets are strong, add a little bit of ca cuong, sometimes as light as a doubt.” In the 1940s, pho was very popular in Hanoi: "It is an all-day snack for all types of people, especially civil servants and boatmen. People eat pho in the morning, eat pho at lunch and eat pho in the evening....