A Treasure To Be Shared

Catholics, specifically we of the Latin (Roman) Rite, use unleavened bread in the Eucharist (Holy Communion) primarily because it is acknowledged to be the type of bread that Jesus used at the Last Supper, which coincided with the Jewish Passover Seder, where unleavened bread is traditionally used. The practice acknowledges the connection of the Mass to the Last Supper and Jesus's sacrifice. Historical Context During the time of the Last Supper, the Jewish Passover meal (Seder) was being celebrated, and Jewish law mandated the use of unleavened bread (matzah).  Symbolism Unleavened bread, lacking leaven (yeast), symbolizes purity and the absence of sin.  Tradition and Continuity By using unleavened bread, the Catholic Church maintains a link to the historical Last Supper and emphasizes the continuity of the Eucharistic sacrifice from that event. Eastern Catholic Churches While the Eastern Catholic Churches also celebrate the Eucharist, some of them use leavened bread, reflecti...