´It was narrated from Jabir that the Messenger of Allah (ﷺ) said:` “None of you should wipe his hand until he has licked it, for he does not know where the blessing if in his food.’”
Hadith ReferenceSunan Ibn Majah / Chapters on Food / Hadith: 3270
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم