Leviticus 8:25-26

Then he took the fat and the fat tail, all the fat that was on the entrails, the fatty lobe attached to the liver, the two kidneys and their fat, and the right thigh; and from the basket of unleavened bread that was before the LORD he took one unleavened cake, a cake of bread anointed with oil, and one wafer, and put them on the fat and on the right thigh