Moses
Exodus 29:23ESV·traditional attribution

and one loaf of bread and one cake of bread made with oil, and one wafer out of the basket of unleavened bread that is before the LORD.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The law concerning the consecration of Aaron and his sons to the priest's office, which was to be done with a great deal of ceremony and solemnity, that they themselves might be duly affected with the greatness of the work to which they were called, and that the people also might learn to magnify the office and none might dare to invade it. 1.

Commenting on Exodus 29:1-37

John Gill Reformed Baptist @doctorgill

And one loaf of bread,.... Of unleavened bread, as in Exo 29:2 large bread is meant, as Ben Melech observes, for the rest were cakes and wafers, as follows: and one cake of oiled bread; which was made of flour and oil mixed and tempered together: and one wafer out of the basket of unleavened bread; which was anointed with oil and crossed, as the...

Adam Clarke Methodist @methodicalclarke

And one loaf of bread - The bread of different kinds, (see Clarke on Exo 29:2 (note)), in this offering, seems to have been intended as a minchah, or offering of grateful acknowledgment for providential blessings. The essence of worship consisted in acknowledging God, 1. As the Creator, Governor, and Preserver of all things, and the Dispenser of every good and perfect gift. 2.