The Prophet ﷺ said, "What an excellent condiment vinegar is."
حدثنا عثمان بن أبي شيبة حدثنا معاوية بن هشام حدثنا سفيان عن محارب بن دثار
عن النبي ﷺ قال نعم الإدام الخل
No references are available.
Sourced. [Sahih] Tirmidhi transmitted it in his chapters on foods, in the chapter on what has been said about vinegar, hadith no. 1842, from the hadith of Muawiya bin Hisham through the same chain. Ibn Majah also narrated it, hadith no. 3317. See the following hadith.