Ice cream is a frozen dessert typically made from milk or cream that has
been flavoured with a sweetener, either sugar or an alternative, and a
spice, such as cocoa or vanilla, or with fruit, such as strawberries or
peaches. Food colouring is sometimes added in addition to stabilizers.
The mixture is cooled below the freezing point of water and stirred to
incorporate air spaces and prevent detectable ice crystals from forming.
It can also be made by whisking a flavoured cream base and liquid
nitrogen together. The result is a smooth, semi-solid foam that is solid
at very low temperatures. It becomes more malleable as its temperature
increases.