Ju Yook Sheung Tong - basic pork broth

Ju Yook Sheung Tongbasic pork brothIngredients:500 gr pork bones2000ml water6 cm jahe3 black peppercorns2 spring onions1 celery1 carrot4 sprigs of coriander1/2 tsp salt2 tsp light soy saucePreparation:Grate the jahe and cut the carrot, spring onion, celery and coriander into pieces. Heat the water together with the bones in a pan and bring to a boil. Then let it simmer on low heat and remove the scum. Then add the jahe, the pepper, the spring onion, the celery, the carrot and the coriander and let it simmer for another 2 hours. Then mix in the soy sauce and salt and let it cool. Strain the stock and remove the fat when it has cooled completely.