Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tirmidhi:1801Muḥammad b. ʿAbd al-Malik b. Abū al-Shawārib > ʿAbd al-ʿAzīz b. al-Mukhtār > Suhayl b. Abū Ṣāliḥ from his father > Abū Hurayrah

That Messenger of Allah ﷺ said: "When one of you eats, then let him lick his fingers, for indeed he does not know in which of them is the blessing." He said: There are narrations on this topic from Jabir, Ka'b bin Malik, and Anas.  

[Abu 'Eisa said:] This Hadith is Hasan Gharib, we do not know of it except from this route, as a narration of Suhail. I asked Muhammad about this Hadith, so he said: "This is among the diverse narrations of 'Abdul-'Aziz, we do not know of it except from his narration."
الترمذي:١٨٠١حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الْمَلِكِ بْنِ أَبِي الشَّوَارِبِ حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ الْمُخْتَارِ عَنْ سُهَيْلِ بْنِ أَبِي صَالِحٍ عَنْ أَبِيهِ عَنْ أَبِي هُرَيْرَةَ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ إِذَا أَكَلَ أَحَدُكُمْ فَلْيَلْعَقْ أَصَابِعَهُ فَإِنَّهُ لاَ يَدْرِي فِي أَيَّتِهِنَّ الْبَرَكَةُ قَالَ وَفِي الْبَابِ عَنْ جَابِرٍ وَكَعْبِ بْنِ مَالِكٍ وَأَنَسٍ  

قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ لاَ نَعْرِفُهُ إِلاَّ مِنْ هَذَا الْوَجْهِ مِنْ حَدِيثِ سُهَيْلٍ وَسَأَلْتُ مُحَمَّدًا عَنْ هَذَا الْحَدِيثِ فَقَالَ هَذَا حَدِيثُ عَبْدِ الْعَزِيزِ مِنَ الْمُخْتَلِفِ لاَ يُعْرَفُ إِلاَّ مِنْ حَدِيثِهِ

See similar narrations below:

Collected by Muslim, Aḥmad, Suyūṭī
muslim:2035aMuḥammad b. Ḥātim > Bahz > Wuhayb > Suhayl from his father > Abū Hurayrah

When any one of you eats food he should lick his fingers, for he does not know in what part of the food sticking to his fingers the blessing lies.  

مسلم:٢٠٣٥aوَحَدَّثَنِي مُحَمَّدُ بْنُ حَاتِمٍ حَدَّثَنَا بَهْزٌ حَدَّثَنَا وُهَيْبٌ حَدَّثَنَا سُهَيْلٌ عَنْ أَبِيهِ عَنْ أَبِي هُرَيْرَةَ

عَنِ النَّبِيِّ ﷺ قَالَ إِذَا أَكَلَ أَحَدُكُمْ فَلْيَلْعَقْ أَصَابِعَهُ فَإِنَّهُ لاَ يَدْرِي فِي أَيَّتِهِنَّ الْبَرَكَةُ  

ahmad:9369ʿAffān > Wuhayb > Hishām / Ibn ʿUrwah > a man > Abū Hurayrah

When any one of you eats food he should lick his fingers, for he does not know in what part of the food sticking to his fingers the blessing lies. (Using translation from Muslim 2035a)   

أحمد:٩٣٦٩حَدَّثَنَا عَفَّانُ حَدَّثَنَا وُهَيْبٌ حَدَّثَنَا هِشَامٌ يَعْنِي ابْنَ عُرْوَةَ عَنْ رَجُلٍ عَنْ أَبِي هُرَيْرَةَ

أَنَّ النَّبِيَّ ﷺ قَالَ إِذَا أَكَلَ أَحَدُكُمْ فَلْيَلْعَقْ أَصَابِعَهُ فَإِنَّهُ لَا يَدْرِي فِي أَيِّ ذَلِكَ الْبَرَكَةُ  

ahmad:8499ʿAffān Bihadhā al-Isnād

When any one of you eats food he should lick his fingers, for he does not know in what part of the food sticking to his fingers the blessing lies. (Using translation from Muslim 2035a)  

أحمد:٨٤٩٩حَدَّثَنَا عَفَّانُ بِهَذَا الْإِسْنَادِ

عَنِ النَّبِيِّ ﷺ قَالَ إِذَا أَكَلَ أَحَدُكُمْ فَلْيَلْعَقْ أَصَابِعَهُ فَإِنَّهُ لَا يَدْرِي فِي أَيَّتِهِنَّ الْبَرَكَةُ  

suyuti:1360a
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السيوطي:١٣٦٠a

"إذا أكل أحدُكم طعامَه فلْيلعقْ أصابِعهَ فإنه لا يدرى في أي طعامِه تكون البركُةُ" .  

[حم] أحمد [م] مسلم [ت] الترمذي عن أبي هريرة، [طب] الطبرانى في الكبير عن زيد بن ثابت، [طس] الطبرانى في الأوسط عن أنس