Vietnamese food is among the best in the world, and it's everywhere — in street stalls, market halls, tiny family restaurants, and the back rooms of people's houses. Eating is cheap, social, and deeply regional. What you eat in Hanoi is not what you eat in Hue or Saigon.
Staples
Pho is the iconic dish — a clear beef (or chicken) broth served over flat rice noodles with herbs, lime, and chili on the side. Hanoi-style pho is spare and deeply savory; southern versions are sweeter and come with a pile of bean sprouts and fresh herbs. It's eaten for breakfast as much as any other meal.
Banh mi — the baguette sandwich — is a leftover from French colonialism that Vietnam has made entirely its own. Pork, pate, pickled vegetables, cucumber, coriander, and chili in a light, crispy roll. One of the world's great street foods.
Bun cha (Hanoi specialty): grilled pork patties and sliced pork belly served in a light broth with rice vermicelli and herbs. Eat it at a small plastic-stool restaurant in Hanoi's Old Quarter.
Cao lau is found almost exclusively in Hoi An — thick noodles, pork, greens, and crispy croutons, supposedly made with water from a specific local well.
Com tam (broken rice) is the everyday dish of Ho Chi Minh City — grilled pork, a fried egg, pickled vegetables, and a small bowl of broth, served on a plate of broken rice. Eaten at any hour.
Street Food
Street food is the best and most honest way to eat. Sit on a plastic stool, point at what's being served, pay 30,000–60,000 VND for a meal. The highest-turnover stalls are usually the best. Markets (particularly morning markets) are excellent for local specialties.
Drinking
Vietnamese coffee is strong, slow-drip (phin filter), and traditionally served over ice with condensed milk (ca phe sua da). Black iced coffee (ca phe den da) is equally good. Coffee culture is serious here — Hanoi alone has hundreds of independent coffee shops.
Bia hoi — fresh draft beer brewed daily — is served at open-air street corners for a few thousand dong per glass. It's light, cold, and part of the social fabric. The best bia hoi experience is at a corner stall in Hanoi's Old Quarter.
Regional Differences
Northern food tends toward subtler flavors — pho, bun cha, banh cuon (steamed rice rolls). Central Vietnam is the spiciest region; Hue cuisine in particular is intricate and fiery, with a tradition of elaborate small dishes inherited from the imperial court. Southern food is sweeter and uses more fresh herbs and vegetables.
Vegetarian
Vegetarian food (com chay) is available throughout Vietnam, particularly near Buddhist pagodas and temples, where vegetarian restaurants are common. The first and fifteenth days of the lunar month are traditional vegetarian days for many Vietnamese, so options are especially good on those dates.