Answer: chametz

AnswerCrossword Clue
chametz(Judaism) leavened food forbidden during Passover, also CHOMETZ
chametzfood forbidden for use by Jews during the festival of Passover, esp. a baked food, as bread or cake, made with leaven or a leavening agent
chametzdish, kitchen utensil, or the like used in preparing or serving such food and similarly forbidden for use during Passover