Abu Dawud
Foods
Book Number: 021 / Hadith Number: 3844
Narated By Jabir ibn Abdullah : AbulHaytham ibn at-Tayhan prepared food for the Apostle of Allah (pbuh), and he invited the Prophet (pbuh) and his Companions. When they finished (food), the said: If some people enter the house of a man, his food is eaten and his drink is drunk, and they supplicate (to Allah) for him, this is his reward.