The less milk (therefore less water) you keep in the mix makes for a much richer, double cream (as it's called in Britain). Leave in more milk, then you end up with single cream. Whipping cream is ...
Double cream is a high-fat dairy product, commonly used in the UK, with a fat content of approximately 48%. It is thicker than single cream and can be whipped to use in desserts or used in sauces ...