1. Ingredients: 20 grams of dried seaweed (or one plate), 500 grams of pork spine, a pinch of shrimp, 3 slices of ginger, 1 green onion, and 8 bowls of water.

2. Soak the seaweed in water until soft, changing the water once in the middle.

3. Wash the shrimps, soak them in water, wash and chop the green onions.

4. Wash the pork spine, chop into large pieces, pick up and rinse with a little water.

5. Boil water and add pork bones, dried shrimps and ginger slices.

6. Boil over high heat for 20 minutes, then reduce to low heat and simmer for an hour. Add seaweed and simmer for another half hour. Season with chopped green onion and salt and serve.