Riyad as-Salihin

A man ate with his left hand in the presence of Messenger of Allah (ﷺ), whereupon he said, "Eat with your right hand." The man said: "I cannot do that." Thereupon he (the Prophet (ﷺ)) said, "May you not be able to do that." It was vanity that prevented him from doing it and he could not raise it (the right hand) up to his mouth afterwards..

We were with 'Abdullah bin Az-Zubair (May Allah be pleased with them) in a time of famine, then we were provided with dates. (Once) when we were eating, 'Abdullah bin 'Umar (May Allah be pleased with them) passed by us and said: "Do not eat two dates together, for Messenger of Allah (ﷺ) prohibited it, unless one seeks permission from his brother (partner)." .

Some of the Companions of Messenger of Allah (ﷺ) said: "We eat but are not satisfied." He (ﷺ) said, "Perhaps you eat separately." The Companions replied in affirmative. He then said: "Eat together and mention the Name of Allah over your food. It will be blessed for you." .

The Prophet (ﷺ) said, "Blessing descends upon food in its middle, so eat from the sides of the vessel and do not eat from its middle." .

The Prophet (ﷺ) had a large bowl called Al-Gharra', which would be carried by four men. One day, when the Companions finished their Duha (forenoon optional) prayer, Al-Gharra' was brought full of sopped bread, meat and broth, and they sat down around it. When their number increased, Messenger of Allah (ﷺ) sat down on his knees and rested on the soles of his feet. A bedouin said to him: "What sort of sitting is that?" Thereupon Messenger of Allah (ﷺ) said, "Verily, Allah has made me a courteous slave not a fierce tyrant." Then he said, "Eat from the sides of the bowl and leave the central part of it so that your food will be blessed.".

Messenger of Allah (ﷺ) said, "I do not eat reclining (against a pillow)." .

I saw Messenger of Allah (ﷺ) eating some dates while sitting on his buttocks, with his legs raised..

Messenger of Allah (ﷺ) said, "When one of you finishes eating, he should not wipe his fingers until he has licked them himself or has given them to someone else to lick for him." .

I saw Messenger of Allah (ﷺ) eating with three fingers (i.e., the thumb, the index finger and the middle finger) and licking them after having finished the food..

The Messenger of Allah (ﷺ) commanded the licking of fingers and the gleaning of the dish, saying, "You do not know in which portion the blessing lies.".

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

The Messenger of Allah (ﷺ) said, "Satan appears at every thing done by you; he appears even at one's dinner. When a morsel of any of you falls, he should pick it up and remove any dirt on it, and then eat it. He should not leave it for Satan, nor should he wipe his hand with the towel until he has licked his fingers, for he does not know in what portion of the food the blessing lies.".

Whenever the Messenger of Allah (ﷺ) ate food, he would lick his three fingers and say, "If anyone of you drops a morsel of food, he should remove any dirt that may have stuck on it and then eat it, and should not leave it for Satan." He (ﷺ) also commanded us that we should glean the pot, saying, "You do not know in which part of your food the blessings lies.".

I asked Jabir (May Allah be pleased with him) whether it was obligatory to make Wudu' for Salat (prayer) after eating cooked food. He said: "No, because in the lifetime of Messenger of Allah (ﷺ), such food was rarely available. We had no handkerchiefs, so when we ate such food we would wipe our fingers against our palms, forearms or (the sole of our) feet, and would offer Salat without fresh Wudu' (for prayer).".

The Messenger of Allah (ﷺ) said, "The food of two persons suffices for three persons, and the food of three persons suffices for four persons." .

The Messenger of Allah (ﷺ) said, "The food of one person suffices for two, the food of two persons suffices for four persons, and the food of four persons suffices for eight persons.".

The Messenger of Allah (ﷺ) used to breathe three times in the course of a drink (he used to drink in three gulps). .

The Messenger of Allah (ﷺ) said, "Do not drink in one gulp like a camel, but in two or three (gulps). Mention the Name of Allah (i.e., say Bismillah) when you start drinking and praise Him (i.e., say Al-hamdu lillah) after you have finished (drinking).".

The Prophet (ﷺ) forbade breathing into the vessel while drinking..

Milk mixed with water was brought to the Messenger of Allah (ﷺ). On his right side was sitting a bedouin and on his left was sitting Abu Bakr (May Allah be pleased with him). He (ﷺ) drank from it and handed the rest to the bedouin saying, "One who is on the right has preference, then again the one who is on the right.".