After 7 days of consecration, Moses commands Aaron and his sons to make offerings at the alter. Fire appears and consumes the offerings.
Leviticus 6: The Burnt Offering
Yahweh gives instructions for Aaron and his sons to accept burnt offerings, grain offerings, and sin offerings.
Leviticus 2: The Grain Offering
Yahweh instructs the Israelites how to present an offering of grain for the tabernacle altar, giving a portion to Aaron and his sons. Aaron and his sons are busy with their priestly duties and don’t have time to plant and harvest their own food.