Seasoning   
Salt         2 tbsp
Pepper        some
Light Soy Sauce         1/2 tbsp     

    
Steps
1)   Wash duck with hot water, chop into 3-4 pieces, put into a large clay soup pot
2)   Soak dry oysters, black mushrooms and lily flowers
3)   Remove stalk of mushrooms, cut away the hard heads of lily flower
4)   Clean all soak materials, put oysters and mushroom into the clay pot
5)   Add in dry tangerine peel and ginger, pour in water to 90% full of pot
6)   Cover the lid of pot, boil at least 60 minutes by low heat
7)   Add in lily flower, boil 15 minutes by medium heat
8)   Add in seasoning, stir well, serve            

Remark 
tbsp -     table spoon 
The clay pot size is need to be consider as large, approx. content of 2000 ml of water.