It's difficult to add sourdough starter to a mix that has a fixed amount of flour in it, since usually you would reduce the flour based on the amount of starter that's added. You're welcome to give it a shot anyways by simply adding the starter to the batter and reduce the amount of liquid you add, but it may not yield great results. Instead, consider using this recipe for Sourdough Chocolate Cake. It's a surprising combination of flavors! Kye@KAF
February 16, 2017 at 4:48pm
In reply to Does anyone have experience using unfed starter with a commerci… by Lu (not verified)