Numbers 15:3

15:3 and you make an offering by fire to the Lord from the herd or from the flock (whether a burnt offering or a sacrifice for discharging a vow or as a freewill offering or in your solemn feasts) to create a pleasing aroma to the Lord,

Numbers 28:24

28:24 In this manner you must offer daily throughout the seven days the food of the sacrifice made by fire as a sweet aroma to the Lord. It is to be offered in addition to the continual burnt offering and its drink offering.

---