Watercress Bone Soup
1.
Wash the watercress, chop the pork bones into large pieces, soak the oyster sauce in water for a while to wash away the dust.
2.
Put the bones in a pot with cold water, turn on the fire, blanch them to remove blood stains, and wash them for later use.
3.
Wash watercress and soak it in light salt water for 30 minutes. This purpose is to remove pesticide residues and to kill insects.
4.
Put the bones into the casserole and add water.
5.
Ginger slices and oyster sauce into the pot.
6.
Two candied dates.
7.
Cover the lid and turn on high heat. After boiling, turn to low heat and cook for 60 minutes to let the oyster sauce and bones fully taste.
8.
After 60 minutes, put watercress in the pot, boil it on high heat, and turn to low heat for 40-60 minutes.
9.
Add appropriate amount of salt to taste before eating.
Tips:
1. There is a kind of locust that likes to attach to the water spinach tube of watercress, soaking it in light salt water can make it fall off, so this step is necessary and must not be saved.
2. The role of oyster sauce in this soup is to improve the freshness. If it is not at home, increase the amount of pork bones appropriately.
3. The effect of clearing lung heat and moisturizing dryness is quite effective, but it is not suitable if the physique is cold.