Blanch trotters for 4 minutes, rinse.
350g packet - for 1.5kg ingredients and 3L water.
Add 2.5–3kg water.
Once boiling, add trotters and seasoning.
Simmer on low for 2.5 hours. (Or boil first, then simmer 1–2 hrs until tender.)
The instruction of video of how to cook pickled dry radish soup