A levain is a mixture of flour and water that has been fermented to create a natural leavening agent for sourdough bread. Using a levain in your sourdough bread recipes offers several benefits. First, it …

In the united states, the terms ‘sourdough’ and ‘levain’ are often used interchangeably, which is not the case in … Levain serves as the natural leavening agent in sourdough, replacing commercial yeast. It ferments the dough, causing it to rise while also contributing to the distinctive flavor of the bread.