The following narrations (Hadiths) have been chosen from the book of “Thawabul Aamaal wa Eqabul Aamaal” by grand Shia scholar “Sheikh Sadooq”.
The reward for the person who mentions the name of God at the time of eating – It is narrated from Imam Sadiq (A.S) who narrated from Imam Ali (A.S) who said: A person who mentions the name of God with his/her tongue at the time of eating will never be questioned about that particular food gift given by the Almighty.
The reward for a person who feeds a hungry one – Safwan ibn Yahya narrated from Imam Sadiq (A.S): A person who feeds a hungry one, Allah (SWT) will designate a river in the paradise for him/her. Also Sama’eh narrated from Imam Sadiq (A.S): A person, who fills the stomach of a hungry one, will be rewarded with paradise.
The reward for thanksgiving – Ibn Abi Ameer from one of the companions of Imam Sadiq (A.S) narrated that Imam Sadiq (A.S) said: The reward for a person who eats and gives thanks to Allah (SWT) is like a person who fasts for the satisfaction of God and good health will be the reward for the one who gives thanks and this reward is equal to the reward of a person who is patient when suffering from difficulties.
Source: shafaqna.com
source : tebyan