Cut the potato, broccoli head, carrot, and white radish into bite-sized pieces. Slice the lotus root thinly and cut all the straw mushrooms in half. Take half the scallions and chop them finely.
In the stockpot, parboil the spare ribs in hot water with salt for 2 minutes. Immerse the spare ribs in cold water.
Cook the spare ribs with whole scallions, shallots, and 3.5 liters of water. Set the heat to medium and cook for 20 minutes with the lid off. Constantly skim off the white scum from the top.
Remove the scallions and shallots. Add the lotus root slices and cook for 15 minutes on low-medium heat.
Add the white radish, carrot, and potato pieces. Cook for another 15 minutes.
Add the straw mushrooms, broccoli pieces, and seasoning. Cook for 5 - 10 more minutes.
Garnish with chopped scallions and cilantro.