حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ النُّفَيْلِيُّ، حَدَّثَنَا زُهَيْرٌ، حَدَّثَنَا سِمَاكُ بْنُ حَرْبٍ، حَدَّثَنِي قَبِيصَةُ بْنُ هُلْبٍ، عَنْ أَبِيهِ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم وَسَأَلَهُ رَجُلٌ فَقَالَ إِنَّ مِنَ الطَّعَامِ طَعَامًا أَتَحَرَّجُ مِنْهُ ‏.‏ فَقَالَ ‏"‏ لاَ يَتَخَلَّجَنَّ فِي صَدْرِكَ شَىْءٌ ضَارَعْتَ فِيهِ النَّصْرَانِيَّةَ ‏"‏ ‏.‏

Narrated Qabisah ibn Halb: A man asked the Messenger of Allah (PBUH): Is there any food from which I should keep myself away? I heard the Messenger of Allah (PBUH) say: Anything which creates doubt should not occur in your mind by which you resemble Christianity. Translation Not Available

Book Ref: Sunan Abi Dawud Book 28 Hadith 3784
Web Ref:  Sunan Abi Dawud Book 27 Hadith 3775