Break apart the rehydrated scallop with your fingers.
Slice the dried duck kidney into smaller, bite-sized pieces.
Bring the pork bones and 10 cups of water to boil with ginger, mandarin peel, candied / dried dates, scallop, duck kidney, north and south dried almond, and the water they were rehydrating in.
10 cups water, 2 inch knob of ginger
Remove any scum that floats to the surface.
Once it starts boiling, reduce to a simmer and cover with a lid. Simmer for about 2 hours.
Add the carrots and watercress. Simmer for another 1 hour, covered.
Skim off any excess oil on the surface of the soup.
Season with salt and pepper. Enjoy!
1.5 tsp salt, 1/8 tsp white pepper