Genesis 4:4

And Abel also presented an offering—some of the firstborn of his flock and their fat portions. The Lord had regard for Abel and his offering,

Hebrews 11:4

By faith Abel offered to God a better sacrifice than Cain did. By faith he was approved as a righteous man, because God approved his gifts, and even though he is dead, he still speaks through his faith.

Exodus 13:12

you are to present to the Lord every firstborn male of the womb. All firstborn offspring of the livestock you own that are males will be the Lord’s.

Numbers 18:17

“However, you must not redeem the firstborn of an ox, a sheep, or a goat; they are holy. You are to sprinkle their blood on the altar and burn their fat as a fire offering for a pleasing aroma to the Lord.

Proverbs 3:9

Honor the Lord with your possessions
and with the first produce of your entire harvest;

Genesis 15:17

When the sun had set and it was dark, a smoking fire pot and a flaming torch appeared and passed between the divided animals.

Leviticus 3:16-17

Then the priest will burn the food on the altar, as a fire offering for a pleasing aroma.

“All fat belongs to the Lord.

Leviticus 9:24

Fire came from the Lord and consumed the burnt offering and the fat portions on the altar. And when all the people saw it, they shouted and fell facedown on the ground.

Numbers 16:35

Fire also came out from the Lord and consumed the 250 men who were presenting the incense.

Numbers 18:12

I am giving you all the best of the fresh olive oil, new wine, and grain, which the Israelites give to the Lord as their firstfruits.

Judges 6:21

The Angel of the Lord extended the tip of the staff that was in His hand and touched the meat and the unleavened bread. Fire came up from the rock and consumed the meat and the unleavened bread. Then the Angel of the Lord vanished from his sight.

1 Kings 18:24

Then you call on the name of your god, and I will call on the name of Yahweh. The God who answers with fire, He is God.”

All the people answered, “That sounds good.”

1 Kings 18:38

Then Yahweh’s fire fell and consumed the burnt offering, the wood, the stones, and the dust, and it licked up the water that was in the trench.

1 Chronicles 21:26

He built an altar to the Lord there and offered burnt offerings and fellowship offerings. He called on the Lord, and He answered him with fire from heaven on the altar of burnt offering.

2 Chronicles 7:1

When Solomon finished praying, fire descended from heaven and consumed the burnt offering and the sacrifices, and the glory of the Lord filled the temple.

Psalm 20:3

May He remember all your offerings
and accept your burnt offering.Selah

Hebrews 9:22

According to the law almost everything is purified with blood, and without the shedding of blood there is no forgiveness.

1 Peter 1:19-20

but with the precious blood of Christ, like that of a lamb without defect or blemish.

Revelation 13:8

All those who live on the earth will worship him, everyone whose name was not written from the foundation of the world in the book of life of the Lamb who was slaughtered.

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
you are to present to the Lord every firstborn male of the womb. All firstborn offspring of the livestock you own that are males will be the Lord’s.
Numbers 18:12
I am giving you all the best of the fresh olive oil, new wine, and grain, which the Israelites give to the Lord as their firstfruits.
Proverbs 3:9
Honor the Lord with your possessions
and with the first produce of your entire harvest;
Hebrews 9:22
According to the law almost everything is purified with blood, and without the shedding of blood there is no forgiveness.
1 Peter 1:19
but with the precious blood of Christ, like that of a lamb without defect or blemish.
Revelation 13:8
All those who live on the earth will worship him, everyone whose name was not written from the foundation of the world in the book of life of the Lamb who was slaughtered.

Fat

Leviticus 3:16
Then the priest will burn the food on the altar, as a fire offering for a pleasing aroma.

“All fat belongs to the Lord.

Had

Genesis 15:17
When the sun had set and it was dark, a smoking fire pot and a flaming torch appeared and passed between the divided animals.
Leviticus 9:24
Fire came from the Lord and consumed the burnt offering and the fat portions on the altar. And when all the people saw it, they shouted and fell facedown on the ground.
Numbers 16:35
Fire also came out from the Lord and consumed the 250 men who were presenting the incense.
Judges 6:21
The Angel of the Lord extended the tip of the staff that was in His hand and touched the meat and the unleavened bread. Fire came up from the rock and consumed the meat and the unleavened bread. Then the Angel of the Lord vanished from his sight.
1 Kings 18:24
Then you call on the name of your god, and I will call on the name of Yahweh. The God who answers with fire, He is God.”

All the people answered, “That sounds good.”
1 Chronicles 21:26
He built an altar to the Lord there and offered burnt offerings and fellowship offerings. He called on the Lord, and He answered him with fire from heaven on the altar of burnt offering.
2 Chronicles 7:1
When Solomon finished praying, fire descended from heaven and consumed the burnt offering and the sacrifices, and the glory of the Lord filled the temple.
Psalm 20:3
May He remember all your offerings
and accept your burnt offering.Selah

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.