It wasnarrated from Jabir that the Messenger of Allah (ﷺ) said:
"If amorsel falls from the hand of anyone of you, let him wipe offwhatever dirt that is on it and eat it." (PT)
English reference (PT): Vol. 4, Book 29, Hadith 3279 (PT)
Arabic reference (PT): Book 29, Hadith 3404 (PT)