– 5 dried shiitake mushrooms – ▢3 cups warm water – ▢1 tablespoon olive oil (or any kind of vegetable oil) – ▢2 tablespoons ginger (peeled and cut into thin strips) – ▢2 stalks scallion (cut into 1 inch length) – ▢1 1/2 lb chicken leg (chopped into small pieces ) – ▢5 oz (150 g) 1 pack of roasted chestnut (peeled ) Brown Sauce – ▢3 tablespoons soy sauce – ▢3 tablespoons Chinese Shaoxing wine – ▢1 tablespoon sugar