The Zamzam Well, located within the Masjid al-Haram in Mecca, is the most famous well in Islamic tradition. It is not typically associated with food, but rather with water; it is believed that the well was miraculously generated thousands of years ago when Hagar, the wife of Abraham, was desperately seeking water for her son, Ishmael. The Zamzam water is considered holy, and pilgrims often drink it during the Hajj or Umrah pilgrimages, and take it home for its blessings.
Please note that as Mecca is a holy city for Muslims, all food served is halal, and alcohol is strictly prohibited throughout the city.