The world’s only sourdough library!

One of these sourdough starters goes back to the Klondike Gold Rush!

According to Karl De Smedt, the man behind the worldโ€™s only sourdough library, sourdough belongs to the entire world. Burbling away in refrigerators are over 100 sourdough starters from around the globe, all chosen due to their renown, unusual origins, and often, estimated age. You can read more about the sourdough library: https://www.atlasobscura.com/articles…