Matthew 13:33

Another parable he spoke to them: The kingdom of heaven is like leaven, which a woman took and hid in three measures of meal, till the whole was leavened.

Romans 8:23

and not only so, but even we ourselves also, though having the firstfruits of the Spirit, even we ourselves groan within ourselves, waiting for the adoption as sons, for the redemption of our body.

1 Corinthians 15:20

But now hath Christ risen from the dead, the firstfruits of them that have fallen asleep.

James 1:18

Of his own will he begot us with the word of truth, that we should be a kind of firstfruits of his creatures.

Revelation 14:4

These are they who were not defiled with women; for they are virgins. These are they who follow the Lamb wherever he goeth. These were redeemed from among men, a firstfruits to God and to the Lamb.

Treasury of Scripture Knowledge

Summary

Ye shall bring out of your habitations two wave loaves of two tenth deals: they shall be of fine flour; they shall be baken with leaven; they are the firstfruits unto the LORD.

Leaven

Bible References

Leaven

Matthew 13:33
Another parable he spoke to them: The kingdom of heaven is like leaven, which a woman took and hid in three measures of meal, till the whole was leavened.