Beijing Duck is undoubtedly the first food you must eat in Beijing. As far as I know, in Spain they almost don't eat duck at all, but when the Spanish taste duck for the first time they just love it so much. There are many ways to cook duck; however, roasted duck is the best one. And Beijing Roasted Duck is the specialty of Beijing, or the most popular dish. You should go to Quanjude Beijing Duck Restaurant which is the oldest and the best traditional Beijing duck restaurant. 198 RMB/duck.