Hi Yolanda, if your sourdough starter is 100% hydration (equal parts flour and water by weight) and is very healthy and active, you can substitute an equal amount by weight of fed (ripe) sourdough starter for the levain in the dough part of the recipe. Barb@KAF
February 18, 2017 at 4:03pm
In reply to What if I already have sour dough starter..how much would I use… by Yolanda (not verified)