Kabshah, daughter of AbuMaryam, asked Umm Salamah (Allah be pleased with her): What did the Prophet ﷺ prohibit? She replied: He forbade us to boil dates so much so that the kernels are spoiled, and to mix raisins and dried dates.
سَأَلْتُ أُمَّ سَلَمَةَ مَا كَانَ النَّبِيُّ ﷺ يَنْهَى عَنْهُ قَالَتْ كَانَ يَنْهَانَا أَنْ نَعْجُمَ النَّوَى طَبْخًا أَوْ نَخْلِطَ الزَّبِيبَ وَالتَّمْرَ