Leviticus 10:6; Leviticus 10:12

6 Then Moses said to Aaron and his sons Eleazar and Ithamar, “Do not let your hair become unkempt and do not tear your clothes, or you will die and the LORD will be angry with the whole community. But your relatives, all the Israelites, may mourn for those the LORD has destroyed by fire.

12 Moses said to Aaron and his remaining sons, Eleazar and Ithamar, “Take the grain offering left over from the food offerings prepared without yeast and presented to the LORD and eat it beside the altar, for it is most holy.