Sourdough King® Presents

The Vault

Where the world's finest sourdough cultures are preserved, protected, and kept alive — one feeding at a time.

Deep within our climate-controlled facility, behind glass doors that maintain a constant 4°C, rests one of the world's most carefully curated collections of living sourdough cultures. Each one was sourced personally — carried home from heritage bakeries, ancient ovens, and master bakers who entrusted us with a piece of their legacy.

5
Active Cultures
5
Countries
4,000+
Years of Heritage
39°F
Storage Temp
☝️ Tap a refrigerator to open it
Europe Europe open
French · Nº 01
North Africa North Africa open
Egyptian · Nº 02
Moroccan · Nº 03
Southern Africa Southern Africa open
South African · Nº 05
North America North America open
San Francisco · Nº 04
Asia Asia open
Coming Soon
South America South America open
Coming Soon
Sourdough King®

© 2026 Sourdough King. All rights reserved.

Each culture is refreshed every 60 days with its original flour.