# Moses took them

Here "them" refers to the fat, thigh, and all of the bread.

# from off their hands

"from Aaron and his sons"

# They were a consecration offering

"They were an offering for setting Aaron and his sons apart for service to Yahweh"

# an offering made by fire to Yahweh

“a burnt offering to Yahweh”

# produced a sweet aroma

Yahweh being pleased with the sincere worshiper who offered the sacrifice is spoken of as if God were pleased with the aroma of the burning sacrifice.