Sahih Bukhari
Food, Meals
Volume: 007 / Book Number: 065 / Hadith Number: 370
Narrated .Abu Huraira:
The Prophet said, "When your servant brings your food to you, if you do not ask him to join you, then at least ask him to take one or two handfuls, for he has suffered from its heat (while cooking it) and has taken pains to cook it nicely."