For this recipe you will want to active sourdough starter, it will need to be bubbly. This will help the donuts rise. For ...

These baked donuts are soft, light ... Add the egg and beat until light and fluffy. Mix in the sourdough starter discard, vanilla extract, and grated fresh apple until well combined.

Beige sourdough starter in a clear glass jar with the lid hinged open on a wooden cutting board - New Africa/Shutterstock ...

Sourdough bread fanatics have creative names for the starter that forms the foundation for their tangy pastries — Jane Doe, ...