Abu Dawud Book 21, Hadith Number 3755.
Chapter : Not known.
Narated By Wahshi ibn Harb : The Companions of the Prophet (PBUH) said: Apostle of Allah (PBUH) we eat but we are not satisfied. He said: Perhaps you eat separately. They replied: Yes. He said: If you gather together at your food and mention Allah’s name, you will be blessed in it.