1 Corinthians 5:8

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

1 Corinthians 9:13-15

Do ye not know, that they who minister in the offerings of the temple live from the temple? that they who serve at the altar share 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 ye not know, that they who minister in the offerings of the temple live from the temple? that they who serve at the altar share with the altar?

Unleavened

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