Pumpernickel bread

Pumpernickel bread was a type of eaten by several Alpha Quadrant and Beta Quadrant species. It was traditionally made out of rye and whole wheat flour. It was notable to have a round shape with a cross on the top of the loaf. 

Terenar ate some pumpernickel bread he made with a Malachorian child that needed academic assistance. ("No Child Left Untested")