The firstfruits of your grain and your new wine and your oil, and the first of the fleece of your sheep, you shall give him.
Deuteronomy 18:4
Surrounding context
18:3 "And this shall be the priest's due from the people, from those who offer a sacrifice, whether it is bull or sheep: they shall give to the priest the shoulder, the cheeks, and the stomach.
18:4 The firstfruits of your grain and your new wine and your oil, and the first of the fleece of your sheep, you shall give him.
18:5 For the LORD your God has chosen him out of all your tribes to stand to minister in the name of the LORD, him and his sons forever.