Exodus 29:2-4

New Revised Standard Version, Anglicised Catholic Edition

² and unleavened bread, unleavened cakes mixed with oil, and unleavened wafers spread with oil. You shall make them of choice wheat flour. ³ You shall put them in one basket and bring them in the basket, and bring the bull and the two rams. ⁴ You shall bring Aaron and his sons to the entrance of the tent of meeting, and wash them with water.