Leviticus 7:13
Besides the cakes, he shall offer for his offering leavened bread with the sacrifice of thanksgiving of his peace offerings.
Cross-reference
Leviticus 23:17
Parallel
Leviticus 23:17 also requires leavened bread for firstfruits — parallels the leavened cakes in the thanksgiving peace offering here.
Jeremiah 33:11
Allusion
In Jeremiah 33:11, the bringers of thank offerings are mentioned as a sign of restored joy—directly linked to the thanksgiving offering described here.
Amos 4:5
Contrast
Amos 4:5 mentions offering thanksgiving with leaven — same practice as Leviticus 7:13, but Amos condemns it as empty ritual.