Leviticus 7:13

With his peace-offering let him give cakes of leavened bread, as a praise-offering.

Amos 4:5

Let that which is leavened be burned as a praise-offering, let the news of your free offerings be given out publicly; for this is pleasing to you, O children of Israel, says the Lord.

Leviticus 23:17

Take from your houses two cakes of bread, made of a fifth part of an ephah of the best meal, cooked with leaven, to be waved for first-fruits to the Lord.

Matthew 13:33

Another story he gave to them: The kingdom of heaven is like leaven, which a woman took, and put in three measures of meal, till it was all leavened.

1 Timothy 4:4

Because everything which God has made is good, and nothing is evil, if it is taken with praise:

Treasury of Scripture Knowledge

Summary

Besides the cakes, he shall offer for his offering leavened bread with the sacrifice of thanksgiving of his peace offerings.

General references

Bible References

Leavened

Leviticus 23:17
Take from your houses two cakes of bread, made of a fifth part of an ephah of the best meal, cooked with leaven, to be waved for first-fruits to the Lord.
Amos 4:5
Let that which is leavened be burned as a praise-offering, let the news of your free offerings be given out publicly; for this is pleasing to you, O children of Israel, says the Lord.
Matthew 13:33
Another story he gave to them: The kingdom of heaven is like leaven, which a woman took, and put in three measures of meal, till it was all leavened.
1 Timothy 4:4
Because everything which God has made is good, and nothing is evil, if it is taken with praise:

General references

Leviticus 22:29
And when you make an offering of praise to the Lord, make it in a way which is pleasing to him.
Numbers 7:23
And for the peace-offerings, two oxen, five male sheep, five he-goats, five he-lambs of the first year: this was the offering of Nethanel, the son of Zuar.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain