Add a small amount of water and bring to a full boil. Put in the black mushrooms, then add more water. Cook until the duck is about done, then add the tung tsai. Continue cooking until the duck is completely cooked through.
蔥、薑放在鴨上，加少許水煮沸後，冬菇放入，再加一些水；煮至鴨將酥時，入冬菜，續煮鴨至大酥時，鴨盛起，冬菜挾出，薑片丟棄。