Cooking Steps

1. 

   Step1:Wash pork bone, kelp, soybean and ginger. Slice kelp and ginger for later us

2. 

   Step2:Put cold water in the pot, put in pork bone and ginger slices, boil them, and then fish out the pork bon

3. 

   Step3:Pour water into casserole and put in a small amount of ginger slices of pork bone, kelp and soybea

4. 

   Step4:Boil the soybeans for 1 to 2 hours and add salt. It's ready to drink