Leviticus 2:13
2:13 Moreover, you must season every one of your grain offerings with salt; you must not allow the salt of the covenant of your God to be missing from your grain offering – on every one of your grain offerings you must present salt.
Ezekiel 43:24
43:24 You will present them before the Lord, and the priests will scatter salt on them and offer them up as a burnt offering to the Lord.