Leviticus 7:13
With cakes of leavened bread he shall offer his offering with the sacrifice of his peace offerings for thanksgiving.
Amos 4:5
offer a sacrifice of thanksgiving of that which is leavened, and proclaim free will offerings and brag about them: for this pleases you, you children of Israel," says the Lord Yahweh.
Leviticus 23:17
You shall bring out of your habitations two loaves of bread for a wave offering made of two tenth parts of an ephah of fine flour. They shall be baked with yeast, for first fruits to Yahweh.
Matthew 13:33
He spoke another parable to them. "The Kingdom of Heaven is like yeast, which a woman took, and hid in three measures of meal, until it was all leavened."
1 Timothy 4:4
For every creature of God is good, and nothing is to be rejected, if it is received with thanksgiving.