It has a slightly bitter taste but with a sweetening power that is less than sugar. It is available in specialist cake shops. Muscovado sugar or Barbados sugar has a high molasses content and is moist and dark brown in colour. It is used in baking and in confectionery. This too is available at cake specialist shops.
Sour cream is cream with a lactic acid culture and is also called thick yoghurt.
It cannot be whipped. It is mainly used in coffees and for dishes such as sauces and quiches. It cannot be whipped. It can be whipped up to double its volume but it cannot hold well for a long period when piped onto cakes for decorations. All these creams are available in major supermarkets in town.