Make use of your sourdough starter discard. Look at it as an asset and not something that has to be discarded. This recipe for deep fry batter is just one of many ways to use this liquid gold.
Mix sourdough starter discard and baking soda. Dip whatever you like to deep fry in it and fry it in 360ºF / 180Cº until the batter is crisp and golden brown.