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
Fortified wine a base for apéritifs such as the French Pineau des Charentes. It is produced by adding alcohol to non-fermented or partially fermented grape juice (or apple juice to make pommeau). The addition of alcohol stops the fermentation and, as a consequence Mistelle is sweeter than fully fermented grape juice in which the sugars turn to alcohol. Moscatel de Setúbal is a Portuguese wine produced around the Setúbal Municipality on the Península de Setúbal. The wine is made primarily from the Muscat of Alexandria grape and typically fortified with aguardente. The style was believed to have been invented by José Maria