Mishkat al-Masabih 21 Foods كتاب الأطعمة 49

وَعَن عبد الله بن عَمْرو قَالَ: مَا رُئِيَ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَأْكُلُ مُتَّكِئًا قَطُّ وَلَا يَطَأُ عقبه رجلَانِ. رَوَاهُ أَبُو دَاوُد

“Abdallah b. ‘Amr said God’s messenger was never seen reclining while eating, nor walking with two men at his heels. Abu Dawud transmitted it.