For a crusty artisan-style bread, start with a sponge, or ‘poolish,’ and let the flavors build during a long slow fermentation process. Posted on January 12, 2023 by Benton Sierra For a crusty artisan-style bread, start with a sponge, or ‘poolish,’ and let the flavors build during a long slow fermentation process. AdvertisementShare this:TwitterFacebookLike this:Like Loading... Related