Quality & Freshness You Can Trust 
 
Made with organic, non-GMO flour 
Every pouch is printed with a batch number and expiration date 
Approximately 2-year shelf life 
Freeze-dried for freshness and long-term stability 
Made in the USA
 
Original San Francisco Style Sourdough Starter - tangy sourdough flavor, beginner-friendly, shelf stable, and ideal for everyday artisan bread bakers.
 
Mature Heirloom Starter