Number of serving: 3
Preparation time: 5 minutes
Cooking time: 60 minutes
100g black beans
175g pig tail, wash thoroughly
3 slices ginger
1.25 liter (5 cups) water
½ teaspoon salt
Scald the pig tail: put the pig tail in a heat proof bowl, add in
boiling water, drain. Soak black beans in cold water for 30 minutes.
Drain. Add 5 cups of water in a big sauce pan, bring to boil. Reduce to
low heat, and cook for 60 minutes. Add salt. Serve.
This soup help to prevent osteoporosis.