Hadith 5558
أَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنَا يَزِيدُ، قَالَ أَنْبَأَنَا حُمَيْدٌ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ الْبُسْرُ وَحْدَهُ حَرَامٌ وَمَعَ التَّمْرِ حَرَامٌ.
It was narrated that Ibn 'Abbas said:"Al-Busr on their own are unlawful and with dried dates they are unlawful
Sahih Isnaad (Abu Ghuddah)
Sunan an-Nasaʾi 5558 · Book 51, Hadith 19