1. Pig hand change knife
2. Soak soybeans in water for 10 minutes
3. Pork knuckles with cooking wine, ginger slices, blanched with cold water, rinse
4. Pour the ginger slices and green onion
5. Pour the seasoning and pour the soaked soybeans
6. Pour in white pepper and simmer over medium-low heat for 1 hour
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