Cordero asado is a popular Castillan dish made by roasting a whole lamb over an open fire. The lamb is usually marinated with lemon, garlic, and various fresh herbs such as rosemary and thyme. Once it is properly cooked, cordero asado is typically accompanied by roasted potatoes and onions on the side.
The following is the authentic cordero asado recipe, adapted from the official tourism website of Spain, spain.info. The recipe is adapted for at-home preparation and calls for half a suckling lamb, about 3 kg (6.6 lbs) in weight, rubbed only with salt, lard, and garlic.