Kushou Banggu Soup
1.
Peel the bitter lotus and wash
2.
Peel and cut tomatoes
3.
Wash the bones and skins and drain the blood
4.
Bone bones, rinse well
5.
Add appropriate amount of water to the pot, add stick bones, pork skin and ginger slices, boil over high heat and skim off the floating powder, add a few drops of vinegar, and simmer for 2 hours on low heat
6.
Add tomato cubes
7.
Add bitter lotus and continue for 1 hour
8.
Until the meat is soft and rotten, just add some salt
Tips:
Simmering at low heat can make the soup more nutritious