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
Angelica wine Angelica wine Angelica wine is an historic sweet fortified wine usually from California made typically from the Mission grape. It is often served as a dessert wine. Some varieties consist of the unfermented grape juice fortified with brandy or clear spirit immediately after pressing. Others are made like port, where the only partially fermented wine, still retaining a large amount of sugar, is infused with brandy. The relatively high alcohol of the brandy arrests the fermentation, leaving a fortified wine high in alcohol and high in residual sugar (usually about 10 to 15%). It is typically made from 50% Mission