Why San Jose Is One of America's Great Vietnamese Food Cities.

San Jose has the largest Vietnamese population of any city outside Vietnam — roughly 140,000 people, close to one in seven residents. That number is the reason the food here is not simply plentiful but specific: it supports regional dishes, single-dish specialists and ingredient supply chains that most American cities cannot sustain.

The practical version: in most of the country, "Vietnamese food" means a pho restaurant with a long menu. In San Jose it means a shop that makes one soup from one province, and makes it every day.

How the community got here

The first large wave arrived after the fall of Saigon in 1975, resettled through federal refugee programs. Later waves followed through the 1980s and into the 1990s. What made San Jose different from other resettlement cities was what happened next: Silicon Valley was hiring, in electronics assembly and then in everything else, and the jobs kept people here and drew relatives after them.

Fifty years of that produces something a single wave of migration does not. The community includes people from the north, the centre and the south of Vietnam, first-generation cooks and third-generation ones, and enough customers to make a narrow specialty viable.

Why that shows up on the plate

Regional cooking survives. Bún bò Huế is from the old imperial capital in central Vietnam, and in most American cities it is a line item on a pho restaurant's menu. Here there are shops that make it and little else. The same is true of mì Quảng from Quảng Nam, bánh canh, and southern hủ tiếu.

Bakeries bake. A great banh mi needs a Vietnamese baguette — rice flour in the dough, a crust that shatters, a nearly hollow crumb — and that requires a bakery producing enough volume to bake several times a day. San Jose has many of them, which is why the bread problem that limits banh mi almost everywhere else largely does not apply here.

Ingredients are ordinary, not specialty. Fresh rice noodles, banana blossom, rau răm, proper fish sauce and fermented shrimp paste are grocery items here, not mail-order ones. Cooks do not have to compromise recipes around what they can get.

Specialists can exist. The most reliable signal of a serious food city is a restaurant that sells one thing. San Jose has shops named after the single dish they make, which only works when enough people want that dish specifically.

Where it is concentrated

The centre of gravity is Story Road and Senter Road, the area the city council formally designated Little Saigon, anchored by Grand Century Mall and Vietnam Town. But the food is not confined there — Alum Rock, East San Jose, Tully Road and stretches of South San Jose all carry serious restaurants and bakeries, often in strip malls with no signage in English.

A guide to eating through the neighbourhood itself is at eating your way through San Jose's Little Saigon.

What to eat first

1. Pho, to set the baseline — clear beef broth, flat rice noodles, herbs on the side.
2. Bún bò Huế, the spicy lemongrass counterpart from central Vietnam.
3. Banh mi, ideally from a bakery rather than a restaurant.
4. Cơm tấm, broken-rice plates with grilled pork.
5. Bún riêu, a tomato and crab-paste soup that surprises everyone.

The wider map of the soups is in the beginner's guide to Vietnamese noodle soups.

How to find the good version

Overall restaurant ratings are close to useless here, and worse than useless in strip malls, where they mostly measure parking and decor. A shop making one excellent soup in a room with fluorescent lighting and folding chairs will rate below a mediocre one with nicer tables.

This is the specific problem Forkelo exists to solve: scoring the dish rather than the restaurant. Start with the best pho in San Jose, the best bún bò Huế in San Jose, and the best banh mi in San Jose — or widen any of them to the whole South Bay.