• UKAS Lab Tested
  • Lifetime Supply from a Single Purchase
  • Active Culture – Ready to Ferment
  • Freshly Picked to Order Each Day
  • Packaged in Food Safe Bags
  • Step by Step Instructions
  • Free Delivery when you spend €45 in a single transaction
  • Same Day Dispatch on all Orders Before 2pm!

How to activate your Sourdough Starter & FAQ’s


80g Live Certified San Francisco Sourdough Starter Culture

Bring the heart of San Fran into your home and replicate the city’s famous sourdough loaf with our Fresh San Francisco Sourdough Starter. So, what makes this sourdough so special?

Our San Francisco sourdough starters come from the Fishermans Wharf area, allowing you to keep the authenticity of the original bread. Containing a specific mixture of a unique local strain of bacteria called L. sanfranciscensis.

Local bakers, including Boudin founded in 1849, swore that no one could reproduce it outside a 50-mile radius of the city – thus adding to its allure. The San Francisco foggy climate cultivated this specific type of yeast, which scientists have now identified in a number of places around the world. However the strain of bacteria is still named after San Francisco, where it was first discovered.

Very Strong, extremely active and always fresh. It is over 150 years old!

A mature, well aged sourdough starter has a much stronger and distinctive sourdough flavour than one recently started from scratch. We have worked hard to obtain the very best sourdough from across the world and we feed our starter cultures twice a day; ensuring that what you purchase from us is a very active, starter culture.

Our cultures are 100% live and are a viable colony so from just one purchase you will be able to produce sourdough for the rest of your life!

For home use you should keep it in the fridge and feed it only once a week. It is remarkably resilient and will live forever if taken care of properly.

Fermenting at home has never been easier!

  • Perfect for both the novice and experienced sourdough baker!
  • 100% Natural San Francisco Sourdough Starter Culture.
  • This starter can be used with Plain white flour.
  • You are buying 80 grams of FRESH sourdough starter complete with printed instructions on how to care for your live starter.

Simply follow the instructions included with your order and you will be up and running in no time at all!

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Additional information

Choose Option

80g, 160g