Deuteronomy 27:5-7

New International Version - UK

⁵ Build there an altar to the Lord your God, an altar of stones. Do not use any iron tool on them. ⁶ Build the altar of the Lord your God with stones from the field and offer burnt offerings on it to the Lord your God. ⁷ Sacrifice fellowship offerings there, eating them and rejoicing in the presence of the Lord your God.