Surah Yusuf 12:58

وَجَآءَ إِخْوَةُ يُوسُفَ فَدَخَلُوا۟ عَلَيْهِ فَعَرَفَهُمْ وَهُمْ لَهُۥ مُنكِرُونَ

And the brothers of Joseph came [seeking food], and they entered upon him; and he recognized them, but he was to them unknown.

Translation: Saheeh International

Tafsir

And Joseph’s brothers came — except for Benjamin — in order to secure provisions when they found out that the new Court officer of Egypt was providing food at its fair price; …

Excerpt from Tafsir al-Jalalayn, commentary on 12:58, via Quran.com. The reader has the full commentary and 9 more tafsirs.