A type of sourdough bread that originated in France. The sourdough leavening method actually originated in France and from there, its popularity spread to many parts of Europe and then to the new world and became very popular with the pioneers during the 1849 Gold Rush in California. French sourdough comes in many shapes and sizes. Baton shapes and the large country loaves are among the popular shapes. French sourdough bread features a very chewy crust, open crumb, and a moderately dense texture.