abstract:Boudin Bakery (Anglicized pronunciation: "bo-DEEN") is a bakery based in San Francisco, California, known for its sourdough bread (self-proclaimed as the "Original San Francisco Sourdough French Bread"). It was established in 1849 by Isidore Boudin, son of a family of master bakers from Burgundy, France, by blending the sourdough prevalent among miners in the Gold Rush with French techniques.