Bone soup is rich in calcium. Kelp contains iodine. Eating more is good for health.
Step1:Spice ball - ginger, garlic, star anise, pepper, cinnamon, three Nai.
Step2:Clean kelp (e.g. dry kelp bought. It needs to be soaked and sliced
Step3:Put the spice ball and kelp in the bottom of the pot. Put the big bone in.
Step4:The height of the water just covers the big bone. Add a few drops of cooking wine and two drops of white vinegar. Bring to a boil and cover the pot.
Step5:Turn the heat down and simmer after 15 minutes. Turn off the fire in about 50 minutes. Add some salt and stock the soup.
Cooking tips:The big bones you bought are covered with bloodshot. First boil them in boiling water. Wait for the bloodshot to boil out. And then pull out the big bones along the float. Wash them for later use. There are skills in making delicious dishes.