Exodus 29:24 WEB

²²  Also you shall take some of the ram's fat, the fat tail, the fat that covers the innards, the cover of the liver, the two kidneys, the fat that is on them, and the right thigh (for it is a ram of consecration),

²³  and one loaf of bread, one cake of oiled bread, and one wafer out of the basket of unleavened bread that is before Yahweh.

²⁴  You shall put all of this in Aaron's hands, and in his sons' hands, and shall wave them for a wave-offering before Yahweh.

²⁵  You shall take them from their hands, and burn them on the altar on the burnt offering, for a sweet savor before Yahweh: it is an offering made by fire to Yahweh.

²⁶  'You shall take the breast of Aaron's ram of consecration, and wave it for a wave-offering before Yahweh: and it shall be your portion.