The Prophet (ﷺ) said, 'When you eat, do not wipe your hands till you have licked it, or had it licked by
somebody else."
Sahih al-Bukhari Book 70, Hadith 85
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We went out with Allah's Messenger (ﷺ) to Khaibar. and when we reached As-Sahba', which (Yahya says) is one day' journey from Khaibar, the Prophet (ﷺ) asked for food, and he was offered nothing but Sawiq which we chewed and ate. Then the Prophet (ﷺ) asked for water and rinsed his mouth, and we too, rinsed our mouths along with him. He then led us in the Maghrib prayer without performing ablution again.
Sahih al-Bukhari Book 70, Hadith 84 Next Hadith → that he asked Jabir bin `Abdullah about performing ablution after taking a cooked meal. He replied, "It is not essential," and added, "We never used to get such kind of food during the lifetime of the Prophet except rarely; and if at all we got such a dish, we did not have any handkerchiefs to wipe our hands with except the palms of our hands, our forearms and our feet. We would perform the prayer thereafter with-out performing new ablution."
Sahih al-Bukhari Book 70, Hadith 86
Sahih al-Bukhari Book 70, Hadith 84 Next Hadith → that he asked Jabir bin `Abdullah about performing ablution after taking a cooked meal. He replied, "It is not essential," and added, "We never used to get such kind of food during the lifetime of the Prophet except rarely; and if at all we got such a dish, we did not have any handkerchiefs to wipe our hands with except the palms of our hands, our forearms and our feet. We would perform the prayer thereafter with-out performing new ablution."
Sahih al-Bukhari Book 70, Hadith 86