For many hundreds of years, yogurt (the name is an anglicized form of the Turkish word for fermented milk) has been a popular way of preserving the goodness of milk. Yogurt can be made from fresh whole or skim milk from cows, goats or sheep or from reconstituted whole or skim milk powder. By making your own yogurt you can experiment with a variety of milks, starters, incubation temperatures and culturing times to produce the desired flavour. Here are some tips on making the perfect yogurt.