Spaghettini al Louie

I made this recipe for Louie Schwartzberg, the director of Fantastic Fungi, so he’d have something a little different to make with his turkey stock after Thanksgiving, but you can make this dish with any kind of stock. The Italians call this kind of dish pasta a risotto, or "pasta cooked in the style of risotto." The pasta absorbs the flavors from the stock and leaches out starch, which thickens the stock to create a savory sauce. You can cook the pasta up saucy and soupy with