Sourdough Adventure Post author By natt Post date May 17, 2013 Categories In Breads No Comments on Sourdough Adventure To Start the Sourdough Starter 3 cups warm water (85-90F) 3 cups bread flour culture from Goldrush In a large dough container, mix water, flour and culture until smooth. Cover and place in a warm, draft-free area for 24 hours. Share this:FacebookTwitterPinterest