Cooking Steps

1. 

   Step1:Split the pig bone in half. Soak the kelp in cold water. Rinse it several times mor

2. 

   Step2:Put the pork bones in cold water and boil them, then remove the blood foam. Pour out the water and change it into clean water. Put a piece of ginger and some pepper in the water and a tablespoon of cooking wine

3. 

   Step3:Turn the heat to a small one and simmer slowly. Put the kelp in an hour later. Drop a few more drops of vinegar. It's easy to release the calcium in the bone

4. 

   Step4:Simmer for another 2 hours. Sprinkle with Scallion after cooking. A bowl of fragrant bone soup is ready.