1 Corinthians 5:8

Therefore let us keep the feast, not with old leaven, nor with the leaven of malice and wickedness, but with the unleavened bread of sincerity and truth.

1 Corinthians 9:13-15

Know ye not that they who are employed about the holy things, are fed from the temple? and they who serve at the altar, partake 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
Know ye not that they who are employed about the holy things, are fed from the temple? and they who serve at the altar, partake with the altar?

Unleavened

1 Corinthians 5:8
Therefore let us keep the feast, not with old leaven, nor with the leaven of malice and wickedness, but with the unleavened bread of sincerity and truth.