A man asked the Messenger of Allah ﷺ: Is there any food from which I should keep myself away? I heard the Messenger of Allah ﷺ say: Anything which creates doubt should not occur in your mind by which you resemble Christianity.  

سَمِعْتُ رَسُولَ اللَّهِ ﷺ وَسَأَلَهُ رَجُلٌ فَقَالَ إِنَّ مِنَ الطَّعَامِ طَعَامًا أَتَحَرَّجُ مِنْهُ فَقَالَ لاَ يَتَخَلَّجَنَّ فِي صَدْرِكَ شَىْءٌ ضَارَعْتَ فِيهِ النَّصْرَانِيَّةَ