Al-Kāfi - Volume 6 > The Ghee
Hadith #3

عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ أَبِي عَبْدِ اللَّهِ عَنْ أَبِيهِ عَنِ الْمُطَّلِبِ بْنِ زِيَادٍ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ نِعْمَ الْإِدَامُ السَّمْنُ .

3. A number of our people have narrated from Ahmad ibn abu ‘Abd Allah from his father from al-Muttalib ibn Ziyad who has said the following: “Abu ‘Abd Allah, ‘Alayhi al-Salam, has said, ‘Ghee is a very fine sauce.’”