Jerusalem Artichoke Soup

I made soup today with Jerusalem artichokes that I bought several weeks ago and then didn't know what to do with... During this week I came across a soup recipe for the little tubers when flipping through magazines in a doctor's office. I didn't write down the recipe because it seemed pretty simple - a litre of milk, a pound of Jerusalem artichokes, a potato or two. I started with a sauteed leek, added the milk and Jerusalem artichokes, 20 min later added the potato and some chicken boullion and there you go. A quick spin with the hand mixer and it was delicious and fast and I now have soup for the week!