Leviticus 6:16
6:16 Aaron and his sons are to eat what is left over from it. It must be eaten unleavened in a holy place; they are to eat it in the courtyard of the Meeting Tent.
Leviticus 10:12
Perpetual Statutes Moses spoke to Aaron
10:12 Then Moses spoke to Aaron and to Eleazar and Ithamar, his remaining sons, “Take the grain offering which remains from the gifts of the Lord and eat it unleavened beside the altar, for it is most holy.