Sahih Muslim
The Book of Drinks (Kitab Al-Ashriba)
Book Number: 023 / Hadith Number: 5013
Umar b. Abu Salama reported: I (had the opportunity) one day to dine with Allah's Messenger (may peace be upon him), and I picked up flesh from around the dish. Thereupon Allah's Messenger (may peace be upon him) said: Eat from that which is near to you.