1 Corinthians 5:8

So let us keep the festival, not with old yeast nor with the yeast of vice and wickedness, but with the unleavened bread of purity and truth.

1 Corinthians 9:13-15

Do you not know that those who do the work about the Temple get their living from the Temple, and those who attend to the altar divide the sacrifices with the altar?

Treasury of Scripture Knowledge

Summary

And the remainder thereof shall Aaron and his sons eat: with unleavened bread shall it be eaten in the holy place; in the court of the tabernacle of the congregation they shall eat it.

The remainder

Unleavened

Bible References

The remainder

1 Corinthians 9:13
Do you not know that those who do the work about the Temple get their living from the Temple, and those who attend to the altar divide the sacrifices with the altar?

Unleavened

1 Corinthians 5:8
So let us keep the festival, not with old yeast nor with the yeast of vice and wickedness, but with the unleavened bread of purity and truth.