Its texture and flavour resembles rusk or zwieback. It is similar to the British rusk, German zwieback, and Italian fette biscottate. "Zwieback" (literally "twice baked") is a form of rusk eaten in Germany. For breakfast, Hitler often ate an apple, cheese, zwieback bread and drank tea. Co. KG is a zwieback and chocolate producer in Germany. "Zwieback" hence literally translates to "twice-baked". Traditionally, zwieback are made using lard instead of butter or a mixture of the two.