Sahih Muslim Book 23, Hadith Number 4978.

Chapter : Permissibility to use Nabidh which is not strong and has not turned into Intoxicant.

Sahl b. Sa’d reported that Abu Usaid al-Sa’idi invited Allah’s Messenger (may peace be upon him) to his wedding feast, and his wife had been serving them on that day while yet a bride. Sahl said ‘ Do you know what she served as a drink to Allah’s Messenger (may peace be upon him)? She steeped the dates in water during the night in a big bowl, and when he (the Holy Prophet) had eaten food she served him this drink.