ON A hot day, you can smell the Cadbury chocolate factory even before you step inside. Lying on the banks of the Derwent River, just north of Hobart, the factory is a popular destination for sweet-toothed tourists, who come to find out more about the process of combining three ingredients - cocoa, sugar and milk - to make Freddo Frogs and family blocks of chocolate.
But there's one thing that the tour guides don't discuss: the secret in every bite of chocolate. You can't taste it or see it, and it's not listed on the wrapper with the ingredients. It's carbon dioxide.
Read more...