"The Messenger of Allah [SAW] forbade mixing dried dates and raisins, and mixing Az-Zahuw and dried dates, and Az-Zahuw and Al-Busr."  

نَهَى رَسُولُ اللَّهِ ﷺ أَنْ يُخْلَطَ التَّمْرُ وَالزَّبِيبُ وَأَنْ يُخْلَطَ الزَّهْوُ وَالتَّمْرُ وَالزَّهْوُ وَالْبُسْرُ