Genesis 4:4

And Abel, he also brought of the firstlings of his flock, and of the fat thereof. And the LORD had respect to Abel, and to his offering:

Hebrews 11:4

By faith Abel offered to God a more excellent sacrifice than Cain, by which he obtained testimony that he was righteous, God testifying of his gifts: and by it he being dead yet speaketh.

Exodus 13:12

That thou shall set apart to the LORD all that openeth the matrix; and every firstling that cometh of a beast which thou hast, the males shall be the LORD'S.

Numbers 18:17

But the firstling of a cow, or the firstling of a sheep, or the firstling of a goat, thou shalt not redeem; they are holy: thou shalt sprinkle their blood upon the altar, and shalt burn their fat for an offering made by fire, for a sweet savor to the LORD.

Proverbs 3:9

Honor the LORD with thy substance, and with the first-fruits of all thy increase:

Genesis 15:17

And it came to pass, that when the sun had gone down, and it was dark, behold a smoking furnace, and a burning lamp that passed between those pieces.

Leviticus 3:16-17

And the priest shall burn them upon the altar: it is the food of the offering made by fire for a sweet savor: all the fat is the LORD'S.

Leviticus 9:24

And there came out a fire from before the LORD, and consumed upon the altar the burnt-offering and the fat: which, when all the people saw, they shouted, and fell on their faces.

Numbers 16:35

And there came out a fire from the LORD, and consumed the two hundred and fifty men that offered incense.

Numbers 18:12

All the best of the oil, and all the best of the wine, and of the wheat, the first-fruits of them which they shall offer to the LORD, them have I given to thee.

Judges 6:21

Then the angel of the LORD put forth the end of the staff that was in his hand, and touched the flesh and the unleavened cakes; and there rose fire out of the rock, and consumed the flesh and the unleavened cakes. Then the angel of the LORD departed from his sight.

1 Kings 18:24

And call ye on the name of your gods, and I will call on the name of the LORD: and the God that answereth by fire, let him be God. And all the people answered and said, It is well spoken.

1 Kings 18:38

Then the fire of the LORD fell, and consumed the burnt-sacrifice, and the wood, and the stones, and the dust, and licked up the water that was in the trench.

1 Chronicles 21:26

And David built there an altar to the LORD, and offered burnt-offerings and peace-offerings, and called upon the LORD; and he answered him from heaven by fire upon the altar of burnt-offering.

2 Chronicles 7:1

Now when Solomon had made an end of praying, the fire came down from heaven, and consumed the burnt-offering and the sacrifices; and the glory of the LORD filled the house.

Psalm 20:3

Remember all thy offerings, and accept thy burnt-sacrifice. Selah.

Hebrews 9:22

And almost all things are by the law cleansed with blood; and without shedding of blood is no remission.

1 Peter 1:19-20

But with the precious blood of Christ, as of a lamb without blemish and without spot:

Revelation 13:8

And all that dwell upon the earth shall worship him, whose names are not written in the book of life of the Lamb slain from the foundation of the world.

Treasury of Scripture Knowledge

Summary

And Abel, he also brought of the firstlings of his flock and of the fat thereof. And the LORD had respect unto Abel and to his offering:

Bible References

The firstlings

Exodus 13:12
That thou shall set apart to the LORD all that openeth the matrix; and every firstling that cometh of a beast which thou hast, the males shall be the LORD'S.
Numbers 18:12
All the best of the oil, and all the best of the wine, and of the wheat, the first-fruits of them which they shall offer to the LORD, them have I given to thee.
Proverbs 3:9
Honor the LORD with thy substance, and with the first-fruits of all thy increase:
Hebrews 9:22
And almost all things are by the law cleansed with blood; and without shedding of blood is no remission.
1 Peter 1:19
But with the precious blood of Christ, as of a lamb without blemish and without spot:
Revelation 13:8
And all that dwell upon the earth shall worship him, whose names are not written in the book of life of the Lamb slain from the foundation of the world.

Fat

Leviticus 3:16
And the priest shall burn them upon the altar: it is the food of the offering made by fire for a sweet savor: all the fat is the LORD'S.

Had

Genesis 15:17
And it came to pass, that when the sun had gone down, and it was dark, behold a smoking furnace, and a burning lamp that passed between those pieces.
Leviticus 9:24
And there came out a fire from before the LORD, and consumed upon the altar the burnt-offering and the fat: which, when all the people saw, they shouted, and fell on their faces.
Numbers 16:35
And there came out a fire from the LORD, and consumed the two hundred and fifty men that offered incense.
Judges 6:21
Then the angel of the LORD put forth the end of the staff that was in his hand, and touched the flesh and the unleavened cakes; and there rose fire out of the rock, and consumed the flesh and the unleavened cakes. Then the angel of the LORD departed from his sight.
1 Kings 18:24
And call ye on the name of your gods, and I will call on the name of the LORD: and the God that answereth by fire, let him be God. And all the people answered and said, It is well spoken.
1 Chronicles 21:26
And David built there an altar to the LORD, and offered burnt-offerings and peace-offerings, and called upon the LORD; and he answered him from heaven by fire upon the altar of burnt-offering.
2 Chronicles 7:1
Now when Solomon had made an end of praying, the fire came down from heaven, and consumed the burnt-offering and the sacrifices; and the glory of the LORD filled the house.
Psalm 20:3
Remember all thy offerings, and accept thy burnt-sacrifice. Selah.