San Francisco sourdough seems to have the market cornered on that classic sour bite, but what actually causes that unique signature flavor?

Boudin Bakery in San Francisco has been using the same sourdough starter since 1849. Boudin is the oldest continuously operating business in San Francisco, its website says. This bakery was also ...

There's also Boudin Bakery, another San Francisco institution. The bakery is the original creator of sourdough French bread as well as the oldest bakery in the city of San Francisco. Recent ...