Leviticus 8:25-26

²⁵But the fat, and the rump, and all the fat that covereth the entrails, and the caul of the liver, and the two kidneys with their fat, and with the right shoulder, he separated.

²⁶And taking out of the basket; of unleavened bread, which was before the Lord, a loaf without leaven, and a cake tempered with oil and a wafer, he put them upon the fat, and the right shoulder,