Genesis 43:32

They served him by himself, and them by themselves, and the Egyptians, that ate with him, by themselves, because the Egyptians do not eat bread with the Hebrews, for that is an abomination to the Egyptians.

Genesis 46:34

that you shall say, 'Your servants have been keepers of livestock from our youth even until now, both we, and our fathers:' that you may dwell in the land of Goshen; for every shepherd is an abomination to the Egyptians."

Exodus 8:26

Moses said, "It isn't appropriate to do so; for we shall sacrifice the abomination of the Egyptians to the LORD our God. Behold, shall we sacrifice the abomination of the Egyptians before their eyes, and won't they stone us?

Genesis 31:54

Jacob offered a sacrifice in the mountain, and called his relatives to eat bread. They ate bread, and stayed all night in the mountain.

Genesis 43:16

When Joseph saw Benjamin with them, he said to the steward of his house, "Bring the men into the house, and butcher an animal, and make ready; for the men will dine with me at noon."

Treasury of Scripture Knowledge

Summary

And they set on for him by himself, and for them by themselves, and for the Egyptians, which did eat with him, by themselves: because the Egyptians might not eat bread with the Hebrews; for that is an abomination unto the Egyptians.

For that is an abomination

General references

Bible References

Eat bread

Genesis 43:16
When Joseph saw Benjamin with them, he said to the steward of his house, "Bring the men into the house, and butcher an animal, and make ready; for the men will dine with me at noon."
Genesis 31:54
Jacob offered a sacrifice in the mountain, and called his relatives to eat bread. They ate bread, and stayed all night in the mountain.

For that is an abomination

Exodus 8:26
Moses said, "It isn't appropriate to do so; for we shall sacrifice the abomination of the Egyptians to the LORD our God. Behold, shall we sacrifice the abomination of the Egyptians before their eyes, and won't they stone us?

General references

Genesis 44:2
Put my cup, the silver cup, in the sack's mouth of the youngest, with his grain money." He did according to the word that Joseph had spoken.
Proverbs 23:1
When you sit to eat with a ruler, consider diligently what is before you;