Preheat the oven to 350 degrees
In a large bowl combine the olive oil, vinegar, prunes, olives, capers, Coq au Vin blend, garlic, salt, chicken, and white wine.
Transfer to a shallow ovenproof dish and sprinkle the sugar over the top
Cover the dish loosely with aluminum foil (remove halfway through cooking) and bake for 50 minutes or until the internal temperature of the chicken reaches 165°F
Remove from oven and transfer to a warmed plate and spoon the prunes, capers, and juices over the top to serve.