Genesis 18:3

The LORD appeared to him by the oaks of Mamre, as he sat in the tent door in the heat of the day.

He lifted up his eyes and looked, and saw that three men stood near him. When he saw them, he ran to meet them from the tent door, and bowed himself to the earth,

Now let a little water be fetched, wash your feet, and rest yourselves under the tree.

I will get a piece of bread so you can refresh your heart. After that you may go your way, now that you have come to your servant.”

They said, “Very well, do as you have said.”

Abraham hurried into the tent to Sarah, and said, “Quickly prepare three seahs of fine meal, knead it, and make cakes.”