A few words about Dessert Wine
There is no simple definition of a dessert wine, and there is also a wide variety of techniques to produce this type of wine, using various cultivars
Makers of dessert wines want to produce a wine containing high levels of both sugar and alcohol, yet the alcohol is made from sugar. There are many ways to increase sugar levels in the final wine: By growing grapes so that they naturally have sugar to spare for both sweetness and alcohol, by adding sugar before or after fermentation, by adding alcohol (fortification or mutage), by removing water to concentrate water (by air-drying to make raisin wine - Straw wines for ex, by freezing the water -icewines, not likely in SA, by using a fungal infection -noble rot such as Sauternes, Tokaji,...