San Francisco's signature taste is the tang of its sourdough bread. Hearty sourdough starter fueled the gold-rush pioneers of 1849; its flavor is still tasted today.

San Francisco's forgotten sourdough company and the mystery of its lost starter Julia Lavaroni is working on a documentary about the historical Larraburu bakery, which was run by for a time by her ...

The proof is in the sourdough starter (which should be fed pretty frequently, by the way).As Myhrvold explains, "Truly authentic San Francisco sourdough would be made in that city, with starter ...

Top sourdough starter for the money. Cultures For Health San Francisco Sourdough Starter. What you need to know: It’s a San Francisco-style starter that results in a tangy flavor and stretchy crumb.

Boudin Bakery, established in 1849 — about the time when the California gold rush was just heating up — is credited with codifying the recipe for San Francisco sourdough bread.

San Francisco's longest continuously operating company, Boudin Bakery, makes one of its most iconic foods: sourdough bread. Even the 49ers mascot is named Sourdough Sam.

Loaves of sourdough bread are shown for sale at the flagship Boudin bakery at Fisherman’s Wharf in San Francisco, Wednesday, Feb. 4, 2009. The original ’49ers came armed with pickaxes, but it ...

Loaves of sourdough bread are shown for sale at the flagship Boudin bakery at Fisherman’s Wharf in San Francisco, Wednesday, Feb. 4, 2009. The original ’49ers came armed with pickaxes, but it ...

What gives the recipe its unique sourness is a local bacteria, fructilactobacillus sanfranciscensis (named for the city’s Latin moniker, of course), that thrives in San Francisco’s foggy ...