So far, this is my favorite duck recipe to date. DH and I made this easy, flavorful dish a couple of nights ago and loved it. It is from Williams-Sonoma Kitchen. I bought my demi-glace at the Williams-Sonoma store. Little did I realize it was $30 per jar! I havent looked yet, but maybe there is a recipe on Zaar for demi-glace? Anyway, I was glad I bought it and tried this dish because I will be enjoying it many more times to come. A couple of notes on this recipe: although the recipe lists this as 4 servings, I found it only served 2. Also, my stock and butter were not unsalted and the dish did not seem salty to me. Finally, Williams-Sonoma specifies that you use duck breast with skin because the fat flavors the meat when seared.