Leviticus 4:10

just as it is removed from the ox of the fellowship offerings' sacrifice--and the priest shall turn them into smoke 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
He must remove all its fat from it, and he shall turn [it] into smoke on the altar.
Leviticus 7:3
And he must present all of its fat: the fat tail and the fat that covers the inner parts,
Leviticus 16:25
And he must turn into smoke the sin offering's fat on the altar.