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,
Maror two biblical reference to the "maror" is the verse quoted above (Exodus 12:8) in which it is mentioned in reference to the offering, and in Numbers 9:11 where "They are to eat the lamb, together with the unleavened bread and bitter herbs". This is in contradistinction to the obligation to consume "matzo" on the first night of Passover, which remains a biblical commandment even in the absence of the Paschal Lamb, because there are other biblical verses that mention "matzo" as a standalone obligation (Exodus 12:18, Deuteronomy 16:8) The word derives from the Hebrew word "mar" (מֵר or מָרָה —