Where To Buy San Francisco Sourdough Bread Apr 2026

In 1849, French immigrant Isidore Boudin arrived in San Francisco during the Gold Rush. He combined traditional French baking techniques with a wild yeast starter gifted to him by a gold miner. What he didn't realize was that the foggy local air contained a specific strain of bacteria—later named Lactobacillus sanfranciscensis —which gave his bread a tangy punch unlike anything in Europe. Boudin Bakery: Home

The story of San Francisco sourdough is a tale of survival, gold, and a legendary "mother dough" that has been kept alive for over 175 years. The Legend of the "Mother Dough" where to buy san francisco sourdough bread