Cut the rooster into eight pieces. Sauté the pieces in butter with the cubed bacon and the peeled baby onions, then coat lightly with the flour. Flambé the pan with cognac, cover with the Burgundy, then season and add the sugar and bouquet garni.
Separately, sauté the mushrooms, colour them well, then add them to the rooster. Check the rooster to see if it is d