Matzo produce is completely permissible for consumption during Passover, whether or not made according to the laws applying to matzot. As a result, Joseph ben Ephraim Karo, author of the "Shulchan Aruch" or "Code of Jewish Law" (Orach Chayim 462:4) granted blanket permission for the use of any matzo made from non-water-based dough, including egg matzo, on Passover. Many egg matzo boxes no longer include the message, "Ashkenazi custom is that egg matzo is only allowed for children, elderly and the infirm during Passover." Even amongst those who consider that enriched matzot may not be "eaten" during Passover, it is permissible
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