Licking the fingers after eating

The son of Sayyiduna Ka'b bin Malik (may Allah be pleased with him) narrates from his father that he saw the Prophet (peace and blessings be upon him): when he (peace and blessings be upon him) finished eating, he would lick the three fingers with which he (peace and blessings be upon him) had eaten.

The son of Sayyiduna Ka'b bin Malik (may Allah be pleased with him) narrates from his father that when the Messenger of Allah (peace and blessings be upon him) finished eating, he would lick his three fingers.
This hadith has a sahih (authentic) chain, but the two Shaykhs (Bukhari and Muslim) did not record it.

It is narrated from the Mother of the Believers, Sayyidah Aishah (may Allah be pleased with her), that when anyone from the household of the Messenger of Allah (peace and blessings be upon him) fell ill or was afflicted with fever and weakness, he (peace and blessings be upon him) would order "hasa'" (a gruel or broth) to be prepared, then he would say that the sick person should sip from it. And he (peace and blessings be upon him) used to say: "Indeed, it strengthens the heart of the grieving and removes (distress) from the heart of the sick, just as one of you women removes dirt from her face with water."
This hadith has a sahih (authentic) chain, but the two Shaykhs (Bukhari and Muslim) did not record it.

It is narrated from Sayyiduna Anas (may Allah be pleased with him) that he said: I saw the Muhajirun and the Ansar digging the trench around Madinah, carrying earth on their backs and saying: "We are the ones who have pledged allegiance to Muhammad (peace and blessings be upon him) upon Islam, for as long as we live." And the Messenger of Allah (peace and blessings be upon him) was answering them, saying: "O Allah! The real good is only the good of the Hereafter, so bless the Ansar and the Muhajirun." Then a bowl would be brought to them containing two handfuls of coarsely crushed barley, prepared in stale, rancid fat. It would be placed before the people while they were in a state of severe hunger, and that food would stick in the throat and had a foul smell.
This hadith is sahih (authentic) on the condition of the two Shaykhs (Bukhari and Muslim), but they did not record it with this addition.

It is narrated from Sayyidah Asma' bint Abi Bakr (may Allah be pleased with them both) that whenever she prepared tharid, she would cover it until its steam (intense heat) had gone. She would say: I heard the Messenger of Allah (peace and blessings be upon him) say: "This brings greater blessing."
This hadith is sahih (authentic) on the condition of Muslim as a supporting narration (shahid), but the two Shaykhs (Bukhari and Muslim) did not record it. And it has a detailed supporting narration, as follows: