Potato and Leek Soup with Sausage

I have been reading my new vegetable cookbook again. Well, I didn't really stop, I have just been trying to take my time and savor each recipe and story as I make my way through it. It is so refreshing to read about cooking from the viewpoint of the home gardener, a union that is surprisingly rarely explored. I was reading, determining that I should try a new vegetable every couple of weeks or so, as I really don't use many of the Chinese vegetables, and quite a few roots I don't think I have even tried, when I stumbled upon something