Sacramental bread adopted the use of unleavened bread due to Liturgical Latinisation. A Host is a portion of bread used for Holy Communion in many Christian churches. In Western Christianity the host is often a thin, round unleavened wafer. In the Roman Rite, unleavened bread is used as in the Jewish Passover or Feast of Unleavened Bread. The Code of Canon Law, Canon 924 requires that the hosts be made from wheat flour and water only and recently made so that there is no danger of spoiling. Hosts are often made by nuns as a means of supporting their religious communities. However,
Matzo matzo made from flour and water. The flour may be whole grain or refined grain, but must be either wheat, spelt, barley, rye, or oat. Some Sephardic communities allow matzos containing eggs and fruit juice to be used throughout the holiday. Passover and non-Passover matzo may be soft or crisp, but only the crisp "cracker" type is available commercially in most locations. Soft matzo, if it were commercially available, would essentially be a kosher flour tortilla. Non-Passover matzo may be made with onion, garlic, poppy seed, etc. It can even be made from rice, maize, buckwheat and other non-traditional flours