San Giacomo Organic Saba (Cooked Grape Must )Local, fresh and organic grape must, cooked for a long time until it becomes a thick and sweet syrup. Saba is an ancient term for boiled down, thickened grape must. Organic grape must is the freshly crushed fruit juice that contains the skins, seeds, and stems (collectively known as pomace) of the grapes. The difference between grape must and balsamic vinegar is there is no aging (balsamic vinegar) and no fermentation (wine). Use liberally on fruits