The King of Sourdough and a signature loaf for Volare, the San Francisco Sourdough boasts a characteristically tangy flavour profile, a chewy interior and a deep golden crust and is shaped into an easy-to-manage tin shape. Prefer it in a free-form batard shape? Click here for the original San Francisco. Click here for delivery info. SD Sourdough . DF Dairy Free. V Vegan . LG Low Gluten