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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
muslim:2033a – Abū Bakr b. Abū Shaybah > Sufyān b. ʿUyaynah > Abū al-Zubayr > Jābir

You do not know in what portion the blessing lies."  

مسلم:٢٠٣٣a – وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ عَنْ أَبِي الزُّبَيْرِ عَنْ جَابِرٍ

أَنَّ النَّبِيَّ ﷺ أَمَرَ بِلَعْقِ الأَصَابِعِ وَالصَّحْفَةِ وَقَالَ إِنَّكُمْ لاَ تَدْرُونَ فِي أَيِّهِ الْبَرَكَةُ  

See similar narrations below:

Collected by Aḥmad
ahmad:15224 – Ḥusayn > Sufyān > Abū al-Zubayr > Jābir

[Machine] The Prophet ﷺ ordered to lick the fingers and the plate and said, "None of you knows in which of these blessings lies."  

أحمد:١٥٢٢٤ – حَدَّثَنَا حُسَيْنٌ حَدَّثَنَا سُفْيَانُ عَنْ أَبِي الزُّبَيْرِ عَنْ جَابِرٍ

أَنَّ النَّبِيَّ ﷺ أَمَرَ بِلَعْقِ الْأَصَابِعِ وَالصَّحْفَةِ وَقَالَ لَا يَدْرِي أَحَدُكُمْ فِي أَيِّ ذَلِكَ الْبَرَكَةَ