Sahih Al Bukhari – Book of Food, Meals
Volumn 007, Book 065, Hadith Number 370.
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Narated By .Abu Huraira Razi Allah Anhu: The Prophet Peace By Upon Him 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.”