Seattle’s love affair with sourdough doesn’t begin in trendy cafés—it’s rooted in the rugged gold‑rush era and the bakeries that followed. As miners travelled to California and Alaska in the mid‑1800s, they carried jars of sourdough starter; without commercial yeast, starters were a lifeline. Smithsonian Magazine notes that during the California Gold Rush, miners brought or made bread starters and “would cuddle them on cold nights so the yeasts and bacteria that made them viable didn’t d】. This improvised yeast source gave them the nickname “sourdoughs.”
Seattle cultivated its own sourdough legacy in the 20th century. According to the Seattle Sourdough Baking Company, the business opened in 1984 on Miner’s Landing at Pier 57 to supply local restaurants with authentic sourdough. The bakery’s starter, nurtured since 1939, is still used for some loaves today. Twice daily, bakers delivered fresh sourdough to waterfront eateries, and the brand later expanded into retail stores. In 1996, Franz Bakery acquired the company and continues to produce aged sourdough products under the Seattle Sourdough label.
Whether preserved by miners on the trail or baked in a waterfront oven, sourdough remains part of Seattle’s identity. The next time you slice into a crusty Seattle loaf, you’re tasting a heritage that stretches back to miners huddled around campfires and bakers tending starters for decades.
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