Ibn Ka'b b. Malik reported on the authority of his father that he saw Allah's Messenger (ﷺ) licking his three fingers (after having finished the food). Ibn Hatim made no mention of" three". This hadith is also narrated through another chain of transmitters.
Reference | : Sahih Muslim 2032a |
In-book reference | : Book 36, Hadith 170 |
USC-MSA web (English) reference | : Book 23, Hadith 5039 |
(deprecated numbering scheme) |