Al-Kāfi - Volume 6 > The Excellence of Shoulder Over other Parts
Hadith #2

مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ فَضَّالٍ عَنِ ابْنِ بُكَيْرٍ عَنْ زُرَارَةَ عَنْ أَبِي جَعْفَرٍ ( عليه السلام ) قَالَ كَانَ رَسُولُ اللَّهِ ( صلى الله عليه وآله ) يُعْجِبُهُ الذِّرَاعُ .

2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn Faddal from ibn Bukayr from Zurarah who has said the following: “Abu Ja‘far, ‘Alayhi al-Salam, has said that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, liked shoulder meat greatly.’”