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 that can never be used for Passover matzo. Gluten-free matzo-lookalike made from potato starch, tapioca, and other non-traditional flour is available and may be eaten on Passover, but does not fulfill the commandment of eating matzo, even for people with celiac disease who cannot eat Passover matzo, because matzo must be made from one of the five grains (wheat, barley, oat, spelt, and rye), all of which contain gluten, except for most (but not all) types of oat matzo. Oat matzo may only be used by those who cannot have any other kind because it's not certain that oat is