Muhammad ate meat sacrificed to idols

حَدَّثَنَا مُعَلَّى بْنُ أَسَدٍ، حَدَّثَنَا عَبْدُ الْعَزِيزِ ـ يَعْنِي ابْنَ الْمُخْتَارِ ـ أَخْبَرَنَا مُوسَى بْنُ عُقْبَةَ، قَالَ أَخْبَرَنِي سَالِمٌ، أَنَّهُ سَمِعَ عَبْدَ اللَّهِ، يُحَدِّثُ عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم أَنَّهُ لَقِيَ زَيْدَ بْنَ عَمْرِو بْنِ نُفَيْلٍ بِأَسْفَلِ بَلْدَحٍ، وَذَاكَ قَبْلَ أَنْ يُنْزَلَ عَلَى رَسُولِ اللَّهِ صلى الله عليه وسلم الْوَحْىُ، فَقَدَّمَ إِلَيْهِ رَسُولُ اللَّهِ صلى الله عليه وسلم سُفْرَةً فِيهَا لَحْمٌ، فَأَبَى أَنْ يَأْكُلَ مِنْهَا، ثُمَّ قَالَ إِنِّي لاَ آكُلُ مِمَّا تَذْبَحُونَ عَلَى أَنْصَابِكُمْ، وَلاَ آكُلُ إِلاَّ مِمَّا ذُكِرَ اسْمُ اللَّهِ عَلَيْهِ‏.‏

Narrated Abdullah: Allah's Messenger (ﷺ) said that he met Zaid bin Amr Nufail at a place near Baldah and this had happened before Allah's Messenger (ﷺ) received the Divine Inspiration. Allah's Messenger (ﷺ) presented a dish of meat (that had been offered to him by the pagans) to Zaid bin `Amr, but Zaid refused to eat of it and then said (to the pagans), "I do not eat of what you slaughter on your stone altars (Ansabs) nor do I eat except that on which Allah's Name has been mentioned on slaughtering."

Sahih al-Bukhari 5499 https://sunnah.com/bukhari:5499

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حَدَّثَنِي مُحَمَّدُ بْنُ أَبِي بَكْرٍ، حَدَّثَنَا فُضَيْلُ بْنُ سُلَيْمَانَ، حَدَّثَنَا مُوسَى، حَدَّثَنَا سَالِمُ بْنُ عَبْدِ اللَّهِ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، رضى الله عنهما أَنَّ النَّبِيَّ صلى الله عليه وسلم لَقِيَ زَيْدَ بْنَ عَمْرِو بْنِ نُفَيْلٍ بِأَسْفَلِ بَلْدَحَ، قَبْلَ أَنْ يَنْزِلَ عَلَى النَّبِيِّ صلى الله عليه وسلم الْوَحْىُ فَقُدِّمَتْ إِلَى النَّبِيِّ صلى الله عليه وسلم سُفْرَةٌ، فَأَبَى أَنْ يَأْكُلَ مِنْهَا ثُمَّ قَالَ زَيْدٌ إِنِّي لَسْتُ آكُلُ مِمَّا تَذْبَحُونَ عَلَى أَنْصَابِكُمْ، وَلاَ آكُلُ إِلاَّ مَا ذُكِرَ اسْمُ اللَّهِ عَلَيْهِ‏.‏ وَأَنَّ زَيْدَ بْنَ عَمْرٍو كَانَ يَعِيبُ عَلَى قُرَيْشٍ ذَبَائِحَهُمْ، وَيَقُولُ الشَّاةُ خَلَقَهَا اللَّهُ، وَأَنْزَلَ لَهَا مِنَ السَّمَاءِ الْمَاءَ، وَأَنْبَتَ لَهَا مِنَ الأَرْضِ، ثُمَّ تَذْبَحُونَهَا عَلَى غَيْرِ اسْمِ اللَّهِ إِنْكَارًا لِذَلِكَ وَإِعْظَامًا لَهُ‏.‏

Narrated 'Abdullah bin 'Umar: The Prophet (ﷺ) met Zaid bin 'Amr bin Nufail in the bottom of (the valley of) Baldah before any Divine Inspiration came to the Prophet. A meal was presented to the Prophet (ﷺ) but he refused to eat from it. (Then it was presented to Zaid) who said, "I do not eat anything which you slaughter in the name of your stone idols. I eat none but those things on which Allah's Name has been mentioned at the time of slaughtering." Zaid bin 'Amr used to criticize the way Quraish used to slaughter their animals, and used to say, "Allah has created the sheep and He has sent the water for it from the sky, and He has grown the grass for it from the earth; yet you slaughter it in other than the Name of Allah. He used to say so, for he rejected that practice and considered it as something abominable.

Sahih al-Bukhari 3826 https://sunnah.com/bukhari:3826