Mischbrot
Mischbrot (German: [ˈmɪʃˌbʁoːt/] , lit. 'mixed bread') is German bread made from the mixture of wheat and rye flour with sourdough or yeast. It is known as Graubrot (lit. 'grey bread') in some regions of Germany (e.g., parts of North Rhine-Westphalia, Bavaria and Hesse) or as "Black bread" in southern Germany, Austria, and Switzerland.