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Bold, tangy San Francisco flavor — the classic sour loaf
Great for open-crumb boules, batards and sourdough toast
Stiff (low-hydration) culture — travels well and stays strong
Feed on arrival and it's ready to build your first levain
Alive, or we replace it free
Ships fast
Real baker support when you need help
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Stiff San Francisco Sourdough Starter brings authentic Bay Area flavor to your home kitchen. This active, ready-to-use culture captures the tangy complexity that made San Francisco sourdough legendary. Perfect for bakers seeking consistent results with minimal fuss, it ferments faster than traditional starters and produces that signature sour bite with beautiful open crumb structure. Simply feed, rest, and bake. Ideal for artisan loaves, focaccia, and enriched doughs. Includes feeding instructions and storage tips for long-term success.
Shipping
Insulated mailer, ships fast.
Care
Feed on arrival, then keep refrigerated between bakes.
See it in the kitchen
Watch the culture wake up, what peak looks like, and how a feed actually goes.
Start to first loafThe full walkthrough — waking the culture, feeding, and baking day.In the jarWhat a healthy, well-fed starter looks like at peak.Feeding dayFlour, water, stir — under a minute of daily care.
