Matzoh, matzo, seder, NAN, and PITA are all crossword solutions for the term 'brittle flat bread eaten at Passover'. Matzoh is a traditional Jewish unleavened bread made from flour and water. It is eaten during the Passover Seder, a ritual dinner that marks the beginning of the Jewish holiday of Passover. Matzo is a similar type of unleavened bread, but it is usually made with oil or eggs. NAN is a type of flatbread that is popular in India and the Middle East. PITA is a round, flat bread that is also popular in the Middle East. All of these types of bread are eaten during the Passover Seder.