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 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