Pumpernickel is a traditional European bread, particularly tied to Germany. It was considered a peasant bread for most of its history, and more recently began resurfacing in upscale bakeries and markets as a popular choice. u003cbr/u003eIn the United States, pumpernickel is generally made using a blend of flours, white and wheat alongside rye, but it was originally made with only rye flour, producing a more dense, fiber packed loaf known for its strong flavor and dark color.