Sourdough bread is integral to German baking and it is well known that bakeries have access to different types of flour to achieve their results. Home bakers can purchase specialty flours, too, but does it make a large difference to taste or texture? Here is a simple recipe for a sourdough boule adapted from a King Arthur Flour recipe which was baked on the same day using three King Arthur flours: bread flour, European-style flour and French-style flour.

