The sourdough starter is a ferment made from flour and water, which is then left to ferment naturally. Traditionally, it has been used to ferment bread before commercial yeast existed.
Previously, bakers would keep the sourdough starter, either in liquid form or as a piece of dough, for daily bread making, incorporating flour and other elements, but now it is more common to use dry yeast.
If you want to enjoy all the benefits of eating sourdough bread, then you cannot miss this step-by-step recipe.