The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 1146
Jabir reported: The Messenger of Allah (may peace be upon him) said: He who eats garlic or onion should remain away from us or from our mosque and stay in his house. A kettle was brought to him which had (cooked) vegetables in it, He smelt (offensive) odour in it. On asking he was informed of the vegetables (cooked in it). He said: Take it to such and such Companion. When he saw it, he also disliked eating it. (Upon this). he (the Holy Prophet) said: You may eat it, for I converse wkh one with whom you do not converse.