Step1:Water the oxtail in the boiling water. Add some pepper to remove the fishy smell. Wash it out of the pot. Put the water in the ginger and simmer for more than three hours. Add corn, yam and medlar to simmer for 2030 minutes. Add some milk and salt. Simmer for about 10 minute
Cooking tips:Chinese prickly ash is used to water the oxtail to make it fishy and delicious.