Genesis 42:6-10

Now Joseph was the ruler over the land; he was the one who sold to all the people of the land. And Joseph’s brothers came and bowed down to him with their faces to the ground. When Joseph saw his brothers he recognized them, but he disguised himself to them and spoke to them harshly. And he said to them, “Where have you come from?” And they said, “From the land of Canaan, to buy food.” But Joseph had recognized his brothers, although they did not recognize him. Joseph remembered the dreams which he had about them, and said to them, “You are spies; you have come to look at the undefended parts of our land.” Then they said to him, “No, my lord, but your servants have come to buy food.