Matzo major forms of matzo. In many western countries the most common form is the hard form of matzo which is cracker-like in appearance and taste and is used in all Ashkenazic and most Sephardic communities. Yemenites, and Iraqi Jews traditionally made a form of soft matzo which looks like Greek pita or like a tortilla. Soft matzo is made only by hand, and generally with "shmurah" flour. Flavored varieties of matzo are produced commercially, such as poppy seed- or onion-flavored. Oat and spelt matzo with kosher certification are produced. Oat matzo is generally suitable for those who cannot eat gluten.
Matzo until it develops dark spots, then set aside to cool and, if sufficiently thin, to harden to crispness. Dough is considered to begin the leavening process 18 minutes from the time it gets wet; sooner if eggs, fruit juice, or milk is added to the dough. The entire process of making matzo takes only a few minutes in efficient modern matzo bakeries. After baking, matzo may be ground into fine crumbs, known as matzo meal. Matzo meal can be used like flour during the week of Passover when flour can otherwise be used only to make matzo. There are two