Leviticus 9:14

9:14 and he washed the entrails and the legs and offered them up in smoke on top of the burnt offering on the altar.

Leviticus 8:21

8:21 but the entrails and the legs he washed with water, and Moses offered the whole ram up in smoke on the altar – it was a burnt offering for a soothing aroma, a gift to the Lord, just as the Lord had commanded Moses.