Sahih Muslim | Book 23 | Hadith Number 5093

Narrated by Jabir b. 'Abdullah
Jabir b. 'Abdullah reported that Allah's Apostle (may peace be upon him) asked his family for condiment. They (the members of his household) said: We have nothing with us but vinegar. He asked for it, he began to eat it, and then said: Vinegar is a good condiment, vinegar is a good condiment.