Leviticus 4:10

as it is lifted up from the ox of the sacrifice of the peace-offerings; and the priest hath made them a perfume on the altar of the burnt-offering.

Treasury of Scripture Knowledge

Summary

As it was taken off from the bullock of the sacrifice of peace offerings: and the priest shall burn them upon the altar of the burnt offering.

Bible References

General references

Leviticus 4:19
and all its fat he doth lift up from it, and hath made perfume on the altar.
Leviticus 7:3
and all its fat he bringeth near out of it, the fat tail, and the fat which is covering the inwards,
Leviticus 16:25
and with the fat of the sin-offering he doth make perfume on the altar.