How long can you keep sourdough discard? You're in luck! In this guide, we'll explore the shelf life of sourdough discard and how you can make the most of it. Sourdough discard is the portion of the starter that is removed during the feeding process. While it may not be the best for baking, it can still be used for various culinary creations. | How Long Can I Keep Sourdough Starter Discard? | #sourdoughstarter #sourdoughdiscard #baking