Unleavened bread Unleavened bread Unleavened bread is any of a wide variety of breads which are not prepared with raising agents such as yeast. Unleavened breads are generally flat breads; however, not all flat breads are unleavened. Unleavened breads, such as the tortilla and roti, are staple foods in Central America and South Asia, respectively. Unleavened breads have symbolic importance in Judaism and Christianity. Jews consume unleavened breads such as matzo during Passover - various traditions explain this usage. Unleavened bread also features in some Western Christian liturgies during the Eucharist, a rite derived from the Last Supper when Jesus broke bread,
Matzo Whole wheat, bran and organic matzo are also available. Chocolate-covered matzo is a favorite among children, although some consider it "enriched matzo" and will not eat it during the Passover holiday. A quite different flat confection of chocolate and nuts that resembles matzo is sometimes called "chocolate matzo". Matzo contains typically 111 calories per 1-ounce/28g (USDA Nutrient Database), about the same as rye crispbread. "Shĕmura" ("guarded") matzo ( "matsa shĕmura") is made from grain that has been under special supervision from the time it was harvested to ensure that no fermentation has occurred, and that it is suitable for eating