Leviticus 7:12
If he offer it for a thanksgiving, then he shall offer with the sacrifice of thanksgiving unleavened cakes mingled with oil, and unleavened wafers anointed with oil, and cakes mingled with oil, of fine flour, fried.
Torrey's Topical Textbook—AKJV

Leviticus 22:29
And when you will offer a sacrifice of thanksgiving to the LORD, offer it at your own will.
Torrey's Topical Textbook—AKJV

Psalm 50:14
Offer to God thanksgiving; and pay your vows to the most High:
Torrey's Topical Textbook—AKJV