Sunan an-Nasa'i 5569
سنن النسائي#5569SahihAbu Sa'eed Al-Khudri narrated that:The Prophet [SAW] forbade mixing Al-Busr with dried dates, or raisins with dried dates, or raisins with Al-Busr, and he said: "Whoever among you (wants to) drink them, let him drink each one on its own
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 51:31