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,
Nordic bread culture bakers’ guild became the triangular "skonrogge" (i.e. a small leavened rye bread that is cleaved and baked again until dry, also Danish beskøjt, French biscuit, Latin bis-coctus: baked twice). Around 1600, the skonrogge was replaced as the baker’s emblem by the pretzel-shaped "kringle", which is still the emblem of the bakers’ guild today. We find the first systematic description of Danish bread in 1821 in Charles Adolph Dénys Mourier’s book on bread and bread-making. He describes various leavened bread types: "rugbrød" (whole rye bread), "franskbrød" (white wheat bread), "sigtebrød" (sifted rye bread) and "tvebakker" (wheat biscuits), as well as unleavened