It is stated in *Mukhtasar Minhaj al-Qasidin* as follows: "
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The questioner : I had mentioned before, if Allah wills, that it is not permissible to mix this and that, the pits and the dates. So I was asked: Where did you bring that from? It is from a book verified by our brother Ali al-Halabi, may Allah reward him with good.
The Shaykh : Yes
The questioner : In *Mukhtasar Minhaj al-Qasidin*, it says: "And among that is that one should not blow on hot food, and one should not mix dates and pits in the same dish, nor gather them in his palm; rather, he should place them from his mouth on the back of his palm and then throw them away. And likewise, anything with a pit or seed, meaning: refuse, one should not mix this with that." So our brother Ali is silent about it, and for that reason I asked you the question you mentioned.
The Shaykh : And I am like our brother Ali — the Shaykh (may Allah have mercy on him) laughs — and I requested it, and I say: I do not know anything in the Sunnah regarding the prohibition of mixing the aforementioned items. But this is a matter of taste, meaning that even if there were something in the Sunnah hidden from us, this would be in the category of what is said in some hadiths: this is a matter of guidance, and not a religious ruling such that whoever does it would be sinful.
The questioner : In Sahih Muslim ... .
The Shaykh : A moment, I am done.
The questioner : Yes, Professor.
The Shaykh : I am done.
The questioner : I asked our Professor, may Allah reward you with good, if there is a hadith or evidence for that, may Allah reward you with good.
The Shaykh : The issue of mixing the pits and the fruit from which they came, these pits, I do not know anything about it. Please proceed.
The questioner : I recall, our Shaykh, a hadith in Sahih Muslim regarding the prohibition of placing pits with dates, meaning: after eating, meaning: placing them with the dates or on the dates.
The Shaykh : In Sahih Muslim?
The questioner : That is what I recall.
The Shaykh : I do not recall. Do you have something?
The questioner : No ... .
The Shaykh : Ah, okay.
The Shaykh : Yes
The questioner : In *Mukhtasar Minhaj al-Qasidin*, it says: "And among that is that one should not blow on hot food, and one should not mix dates and pits in the same dish, nor gather them in his palm; rather, he should place them from his mouth on the back of his palm and then throw them away. And likewise, anything with a pit or seed, meaning: refuse, one should not mix this with that." So our brother Ali is silent about it, and for that reason I asked you the question you mentioned.
The Shaykh : And I am like our brother Ali — the Shaykh (may Allah have mercy on him) laughs — and I requested it, and I say: I do not know anything in the Sunnah regarding the prohibition of mixing the aforementioned items. But this is a matter of taste, meaning that even if there were something in the Sunnah hidden from us, this would be in the category of what is said in some hadiths: this is a matter of guidance, and not a religious ruling such that whoever does it would be sinful.
The questioner : In Sahih Muslim ... .
The Shaykh : A moment, I am done.
The questioner : Yes, Professor.
The Shaykh : I am done.
The questioner : I asked our Professor, may Allah reward you with good, if there is a hadith or evidence for that, may Allah reward you with good.
The Shaykh : The issue of mixing the pits and the fruit from which they came, these pits, I do not know anything about it. Please proceed.
The questioner : I recall, our Shaykh, a hadith in Sahih Muslim regarding the prohibition of placing pits with dates, meaning: after eating, meaning: placing them with the dates or on the dates.
The Shaykh : In Sahih Muslim?
The questioner : That is what I recall.
The Shaykh : I do not recall. Do you have something?
The questioner : No ... .
The Shaykh : Ah, okay.