Leviticus 2:13

13 Season all your grain offerings with salt. Do not leave the salt of the covenant of your God out of your grain offerings; add salt to all your offerings.

Read Leviticus 2:13 Using Other Translations

And every oblation of thy meat offering shalt thou season with salt; neither shalt thou suffer the salt of the covenant of thy God to be lacking from thy meat offering: with all thine offerings thou shalt offer salt.
You shall season all your grain offerings with salt. You shall not let the salt of the covenant with your God be missing from your grain offering; with all your offerings you shall offer salt.
Season all your grain offerings with salt to remind you of God’s eternal covenant. Never forget to add salt to your grain offerings.