Hadith 290

The Messenger of Allah (ﷺ) said, "When a morsel of any of your falls, he should pick it up and remove any of the dirt on it and then eat it, and should not leave it for Shaytan nor should wipe his hand with towel until he has licked his fingers, as he does not know in what portion of the food the blessing lies.

Jabir (رضي الله عنه)Riyad as-Salihin 750Adab of Eating