black bread

Almost black in color, this European peasant bread gets its hue from a variety of ingredients including dark rye flour, toasted dark breadcrumbs, molasses, cocoa powder, dark beer and coffee. It's a hearty, full-flavored loaf that, depending on the baker, can be lightly sweet.

The noun has one meaning:

Meaning #1: bread made of coarse rye flour
  Synonym: pumpernickel