Exodus 29:13, 18
Exodus 29:13 NASB1995
You shall take all the fat that covers the entrails and the lobe of the liver, and the two kidneys and the fat that is on them, and offer them up in smoke on the altar.
Exodus 29:18 NASB1995
You shall offer up in smoke the whole ram on the altar; it is a burnt offering to the LORD: it is a soothing aroma, an offering by fire to the LORD.