Sahih Bukhari
Food, Meals
Volume: 007 / Book Number: 065 / Hadith Number: 290
Narrated Wahb bin Kaisan Abi Nu'aim:
A meal was brought to Allah's Apostle while his step-son, 'Umar bin Abi Salama was with him. Allah's Apostle said to him, "Mention the Name of Allah and eat of the dish what is nearer to you."