'Unleavened Bread' in the Bible

and a basket of unleavened cakes - fine meal in round cakes overflowed with oil, and thin cakes of unleavened bread, anointed with oil, - with their meal-offering and their drink-offerings.

howbeit, the priests of the high places came not up unto the altar of Yahweh, in Jerusalem, save only that they did eat unleavened bread in the midst of their brethren;