Leviticus 7:13

In addition to ring-shaped cakes of bread [with] yeast, he must present his [grain] offering together with his sacrifice of thanksgiving peace offerings.

Amos 4:5

And bring a thank offering of unleavened bread, and proclaim freewill offerings, pronounce them, for so you love [to do], O {people} of Israel," [is] the declaration of my Lord Yahweh.

Leviticus 23:17

You shall bring from your dwellings for a wave offering two [loaves of] bread {made with} two-tenths [of an ephah] of finely milled flour; they must be baked with leaven--[the] firstfruits {belonging to} Yahweh.

Matthew 13:33

He told them another parable: "The kingdom of heaven is like yeast that a woman took [and] put into three measures of wheat flour until the whole [batch] was leavened."

1 Timothy 4:4

because everything created by God [is] good and nothing [is to be] rejected [if it is] received with thankfulness,

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
You shall bring from your dwellings for a wave offering two [loaves of] bread {made with} two-tenths [of an ephah] of finely milled flour; they must be baked with leaven--[the] firstfruits {belonging to} Yahweh.
Amos 4:5
And bring a thank offering of unleavened bread, and proclaim freewill offerings, pronounce them, for so you love [to do], O {people} of Israel," [is] the declaration of my Lord Yahweh.
Matthew 13:33
He told them another parable: "The kingdom of heaven is like yeast that a woman took [and] put into three measures of wheat flour until the whole [batch] was leavened."
1 Timothy 4:4
because everything created by God [is] good and nothing [is to be] rejected [if it is] received with thankfulness,

General references

Leviticus 22:29
And when you sacrifice a sacrifice of thanksgiving to Yahweh, you must sacrifice [it] to be acceptable for you.
Numbers 7:23
and for the sacrifice of the fellowship offering, two cattle, five rams, five he-goats, [and] five male lambs {in their first year}. This [was] the offering of Nethanel son of Zuar.