Al-Kāfi - Volume 6 > Al-Tila’ (The One-Third Juice (grape juice) that has Remained after the Evaporation of the other Two-Thirds)
Hadith #4

عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنِ الْحَسَنِ بْنِ عَطِيَّةَ عَنْ عُمَرَ بْنِ يَزِيدَ قَالَ قُلْتُ لِأَبِي عَبْدِ اللَّهِ ( عليه السلام ) الرَّجُلُ يُهْدِي إِلَيَّ الْبُخْتُجَ مِنْ غَيْرِ أَصْحَابِنَا فَقَالَ ( عليه السلام ) إِنْ كَانَ مِمَّنْ يَسْتَحِلُّ الْمُسْكِرَ فَلَا تَشْرَبْهُ وَ إِنْ كَانَ مِمَّنْ لَا يَسْتَحِلُّ شُرْبَهُ فَاقْبَلْهُ أَوْ قَالَ اشْرَبْهُ .

4. Ali ibn Ibrahim has narrated from his father from ibn abu ‘Umayr from al-Hassan ibn ‘Atiyyah from ‘Umar ibn Yazid who has said the following: “I once asked abu ‘Abd Allah, ‘Alayhi al-Salam, about the case of a man who recommends the use of boiled juice (grape juice) and he is not one of our people. He (the Imam) said, ‘If he is one who considers intoxicating substances lawful, then do not use it but if he considers it unlawful then you can use it for drink,’ or that he (the Imam) said, ‘You can drink it.’”