Quite possibly the most filling dish a human has attempted to eat, cocido madrileño is a rich, fragrant stew especially identified with Spain’s capital city, Madrid. The nationally celebrated meal dates back to at least the Middle Ages and makes thorough use of the bounty of the vast agricultural plateau that surrounds Madrid. At its most basic, cocido (stew) consists of vegetables, meats, and legumes, all cooked in a savory broth. “Every country has its own pot-au-feu, a big pot where you put everything in and let it boil,” says Madrid-based chef Gabriela Llamas. “Cocido is Spain’s...