Genesis 43:32
Joseph was served at a table by himself. His brothers were served at another. The Egyptians sat at yet another table. This is because Egyptians felt it was disgusting to eat with Hebrews.
Genesis 46:34
Be sure to tell him that you have taken care of livestock all your lives, just as your ancestors did. In this way he will let you live in the region of Goshen. Joseph said this because Egyptians will have nothing to do with shepherds (consider shepherds loathsome).
Exodus 8:26
Moses replied: It is not right to do that. The sacrifices we offer to Jehovah our God are disgusting to Egyptians. If they see us offer sacrifices that they consider disgusting, will they not stone us to death?
Genesis 31:54
He offered a sacrifice on the mountain. He invited his relatives to eat the meal with him. They ate with him and spent the night on the mountain.
Genesis 43:16
He saw Benjamin and told the servant in charge of his house: Take these men to my house. Slaughter an animal and cook it, so they can eat with me at noon.