1. Wash bawang flower in warm water, soak for 10 minutes
2. Put the pork bones into the pot with cold water, blanch the water to remove the froth
3. Put pork bones, shallots, sliced ginger, red dates, cooking wine, salt, bawang flower, warm water in the pot
4. Boil on high heat and turn to low heat for 2 hours before use
Pork bones are more delicious after blanching!