1. Ph0 Ha Noi (Noodle soup):
This universally famous food is best enjoyed in Hanoi city, where it was “invented” in the early 20th century. Pho – or rice noodle soup- is omnipresent in Hanoi, appearing anywhere from street vendors to small restaurants. Pho is served with chicken or with sliced beef. Each type of meat entails a variety of sub-dish, using from beef tenderloin to beef brisket, chicken wing to chicken thigh, you can choose kinds of soup when ordering: clarity soup or not, with fat oil or not.
2. Cha ca La Vong:
Cha ca La Vong in Hanoi is listed as one of the top 100 things you gotta try before you die by many cuisine experts. It is exquisitely grilled fish served with bún (noodle) , peanut, green onions, dills and shrimp paste. The fish is carefully chosen so that there are not too many bones and fishy smells. A glass of bia hoi (Hanoi draught) or tra da (ice tea) will definitely give your meal more flavour.
3. Bún thang:
Bun thang is a traditional dish and is one of the most popular yet hidden fares in Hanoi. People can hardly find it outside of the Old quarters or a few special restaurants scattering across the city. The chicken broth is artistically done and the dish is colorfully served. Bun thang is a harmonious blend of colors: the yellow of sliced egg; the white of bun, the off-white of chicken, the dark brown of mushrooms and the green of onions and herbs.
4. Bun Cha
Bun cha (Grilled Pork with noodle) is the signature dish of Hanoi capital. At lunchtime, you’ll find just about all of Hanoi sitting on kid-sized stools and slurping down this combination of grilled pork, salty-sweet broth, slices of green papaya, rice noodles, and fresh herbs. Every neighbourhood in Hanoi has a bun cha place — just follow your nose to the smoky streetside grill. This is really a famous street food in Hanoi.
4. Bánh cuốn:
Vietnamese and particularly Hanoian is proud of their steamed crepe from rice flour and water. A savoury meal, the inside stuffing contains ground pork, wood-ear and seasoning. Most street chefs make the dish right at door so look for a place that steams are coming up high. Banh cuon is served with a mixture of fish sauce, sugar and lime.
Source: Vietnam online