Perdices a la toledana is a traditional Spanish dish that originated in Toledo. This dish is primarily made of partridge, parsley, vinegar, onions, and white wine. Salt and pepper are used to season and partridge before it is browned in olive oil. For more flavor, onions are added and then the vinegar, wine, and herbs are added to the pan. Everything simmers together until you get this delicious dish ubiquitous to Toledo Spain.