Solera by the producers of sherry. In a Spanish sherry "solera", the vintner may transfer about a third of each barrel a year. A solera sherry has to be at least three years old when bottled. A quite similar process is called sostrera, used to produce fortified wines in the Mediterranean regions of France. In Sicily, where Marsala wine is made, the system is called "in perpetuum". Solera vinification is used in the making of Mavrodafni ("Black Laurel"), a fortified red dessert wine made in the Northern Peloponnese in Greece. Exceptional "Mavrodafni" vintages are released every 20 or 30 years: they
Fruit wine Cherry wines can be used to make fortified wines and liqueurs. Michigan wine makers, located in the leading tart-cherry-producing region of the United States, produce several varieties of cherry wine, including spiced versions and cherry-grape blends. "Cherry Kijafa" is a fortified fruit wine that is produced in Denmark from cherries with added natural flavors, and usually contains 16% ABV. Among cherry liqueurs "Maraska", a cherry wine made from Marasca cherry from Croatia, is among the best known. The last couple of years Fredriksdal Cherry Wine (partly invented by distinguished restaurant owner Jan Friis-Mikkelsen) has been produced in Denmark. Cherry wine