حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنْ ثَابِتِ بْنِ عُمَارَةَ، حَدَّثَتْنِي رَيْطَةُ، عَنْ كَبْشَةَ بِنْتِ أَبِي مَرْيَمَ، قَالَتْ سَأَلْتُ أُمَّ سَلَمَةَ مَا كَانَ النَّبِيُّ صلى الله عليه وسلم يَنْهَى عَنْهُ قَالَتْ كَانَ يَنْهَانَا أَنْ نَعْجُمَ النَّوَى طَبْخًا أَوْ نَخْلِطَ الزَّبِيبَ وَالتَّمْرَ ‏.‏

Narrated Umm Salamah, Ummul Mu'minin: Kabshah, daughter of AbuMaryam, asked Umm Salamah (Allah be pleased with her): What did the Prophet (PBUH) prohibit? She replied: He forbade us to boil dates so much so that the kernels are spoiled, and to mix raisins and dried dates. Translation Not Available

Book Ref: Sunan Abi Dawud Book 27 Hadith 3706
Web Ref:  Sunan Abi Dawud Book 26 Hadith 3697