Leviticus 7:6
Any male among the priests may eat it, provided that it is eaten at a sacred place as a most holy thing.
Leviticus 6:29
Every male among the priests is to eat it. It's a most sacred thing.
Leviticus 2:3
The remnants from the grain offering is for Aaron and his sons the holiest of the offerings made by fire to the LORD."
Numbers 18:9-10
This is what is to belong to you from consecrated offerings spared from the fire: all of their offerings, grain offerings, sin offerings, and trespass offerings that they render to me. They're to be considered most sacred to you and your sons.
Leviticus 6:16-18
Aaron and his sons are to eat what remains of the unleavened offering at this sacred place the court of the Tent of Meeting.