Leviticus 8:18-21

Then he presented the ram of the burnt offering, and Aaron and his sons laid their hands on the head of the ram. And he killed it, and Moses threw the blood against the sides of the altar. He cut the ram into pieces, and Moses burned the head and the pieces and the fat. He washed the entrails and the legs with water, and Moses burned the whole ram on the altar. It was a burnt offering with a pleasing aroma, a food offering for the LORD, as the LORD commanded Moses.