Prepare ingredients: ten pounds of big bones in the supermarket come to a pound.
Practice steps:
1. soak the bones in water for one hour, wash them for later use, add ginger slices and onion segments, blanch them, boil them for another five minutes, skim off the floating foam and take them out for later use.
2. Rinse the big bone with warm water, put it in another pot and pour in the seasoning.
3. Add three tablespoons of bean paste, two tablespoons of soy sauce, two tablespoons of soy sauce, and a can of 330ml beer.
4. Add water without ingredients, and simmer for an hour and a half after the fire is boiled.