The Prophet (ﷺ) used to eat with three fingers and not wipe his before licking it.
Sunan Abi Dawud Book 28, Hadith 113
← Previous Hadith When one of you eats, he must not wipe his hand with a handkerchief till he licks it or gives it to someone to lick.

Sunan Abi Dawud Book 28, Hadith 112 Next Hadith → When the food cloth was removed, the Messenger of Allah (ﷺ) said: “praise be to Allah abundantly and sincerely, of such a nature as is productive of blessing, is not insufficient, Abandoned, or ignored, O our lord.”

Sunan Abi Dawud Book 28, Hadith 114