Bone Soup
1.
Put cold water into the bones (I’m cow bones, usually pig bones), add ginger skin to a boil, rinse with cold water to remove blood.
2.
Put cold water into the pot, add ginger slices, a little vinegar, and boil for 3 hours. Add salt ten minutes before leaving the pot, then boil for another ten minutes, and put some chives out of the pot.
Tips:
1. Putting vinegar is to make the meat easy to rot and promote the dissolution of calcium. 2. It is easier to remove blood from cold water washing. 3. It is better to use a casserole if you have a casserole, and a smart rice cooker is also better.