1897 Survival Sourdough: How to Stop It Going Stale (Only 2 Ingredients)

Old World Science

In the freezing winter of 1897, Klondike prospectors survived the harshest frontier using a specialized baking methodology. They created a legendary 1897 survival sourdough that solved a universal baking flaw: how to stop it going stale in sub-zero temperatures, using only 2 ingredients—a humble pot