Exodus 29:2-3, 23

and unleavened bread, unleavened cakes mixed with oil, and unleavened wafers anointed with oil (you shall make them of wheat flour). You shall put them in one basket and bring them in the basket, with the bull and the two rams.

one loaf of bread, one cake made with oil, and one wafer from the basket of the unleavened bread that is before the LORD