Currabinny Cooks: Exploring the versatility of Jerusalem artichokes

They have absolutely nothing really to do with Jerusalem or indeed with any type of artichoke, so what exactly are these curious little tubers?
Jerusalem artichokes are in fact a type of sunflower whose earthbound tubers can be dug up and eaten like any root vegetable. They have a unique flavour which is a little bit similar to artichoke, which is probably how they got their name.