مسائل المنتخبه (Articles Of Islamic Acts) - الخوئي، السيد أبوالقاسم - الصفحة ٥٥٩ - Edible and Drinkable Things

TABLE MANNERS
٢٦٤٥. There are certain recommended things to be observed while taking meal; they are as follows:
(i) Washing both the hands before taking meal.
(ii) After taking meal one should wash ones hands and dry them with towel etc.
(iii) The host should begin eating first of all, and should also be the last to stop eating. Before starting to take meal the host should wash his hands first, and thereafter the person sitting on his right should do so. Then the other guests should follow him till the turn of the person sitting on the left side of the host comes. After finishing the meal the person sitting on the left side of the host should wash his hands first and thereafter other persons should follow him till the turn of the host himself comes.
(iv) One should say Bismillah before one starts taking meal and in case there are a number of dishes it is recommended to say Bismillah before eating from each of the dishes.
(v) One should eat food with ones right hand.
(vi) One should eat food with more than two fingers.
(vii) If some persons are sitting together to take their meals, everyone of them should eat the food placed before him.
(viii) One should take small morsels.
(ix) One should prolong the duration of taking meal.
(x) After taking ones meal one should thank Allah.
(xii) One should lick ones fingers after taking food.
(xiii) One should use a toothpick after taking meal. However, the toothpick should not consist of sweet basil (a fragrant grass) or the leaves of date-palm.
(xiv) One should collect and eat the food which falls on the tablecloth. However, if one takes meal in a jungle, it is better to leave the food which has fallen aside, so that it may be eaten by the animals and birds.
(xv) One should take ones meals in the earlier part of the day