1. Big bones into the water
2. Then add cooking wine
3. Cook it like this, then clean it up first
4. Change to a pot, add clean water and add ginger slices, then boil on medium heat and simmer for 2 hours
5. Tomato cut
6. Add the ribs to the soup and simmer for 4 hours
7. Then peel the yam
8. Add ribs to the pot
9. Add salt before serving
10. This is done
Tips:Delicious
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