Leviticus 3:5

and Aaron's sons shall burn it on the altar upon the burnt sacrifice, which is on the wood that is on the fire, as an offering made by fire, a sweet aroma to the LORD.

Surrounding context

3:4 the two kidneys and the fat that is on them by the flanks, and the fatty lobe attached to the liver above the kidneys, he shall remove;

3:5 and Aaron's sons shall burn it on the altar upon the burnt sacrifice, which is on the wood that is on the fire, as an offering made by fire, a sweet aroma to the LORD.

3:6 "If his offering as a sacrifice of a peace offering to the LORD is of the flock, whether male or female, he shall offer it without blemish.

Translation and sources