| 2TORIAL |
| Learn2 |
Make a Sourdough Starter
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Step 1:
Understand Leaveners
Leaveners are introduced into the breadmaking process to lighten the texture and (in the case of sourdough) add a distinctive flavor. Sourdough is unique among leaveners with its use of naturally occurring airborne yeasts. These are living organisms that need to be fed and cared for; in exchange they make your bread more delicious and digestible. How do they do it? - When airborne yeasts land on a flour and water mixture, they begin to feed on it and breakdown the carbohydrates in the mixture in a process known as fermentation.
- The by-products of the yeasts' fermentation is alcohol (that's why yeast is added to beer) and carbon dioxide. It's the carbon dioxide gas that causes the dough to expand in a process called rising or proofing, and this visible expansion of the dough changes the dough's texture and flavor.
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