ORGANIC CERTIFIED & UKAS LAB TESTED - Our San Francisco sourdough starter culture is certified by the Organic Food Federation and tested by the UKAS. The culture is freeze dried and then packaged in food grade mylar. It is ready to use after 2 feeds. CENTURY OLD CULTURE - Your starter kit is taken from a mature and well-aged and freeze dried sourdough culture. From your starter batch, you can make new batches indefinitely. Feed you starter on a regular basis and have sourdough for life! 100% VEGAN FRIENDLY - Along with your starter, sourdough is made with three simple ingredients, flour salt and water which makes for a delicious bread suitable for vegans. ICONIC TASTE - From Fisherman’s Wharf to your kitchen. Our heirloom culture for San-Francisco -style sourdough produces a classic chewy texture and crisp crust. The flavour has a very distinct tart, almost vinegar like taste. EASY TO MAINTAIN - Our starter is naturally very hardy and robust. Mix in some flour and water once in a while to keep it alive during periods when you're baking infrequently. To keep it near optimum health, feed it once a week or so and keep it refrigerated. Certifed Organic San Francisco Freeze Dried Sourdough Starter