1. Ingredients: 13 eggs.

2. Seasoning: 12g of salt, 3 pieces of star anise, 1g of pepper, 1 piece of cinnamon, 2ml of light soy sauce, 15ml of light soy sauce, 3 pieces of fragrant leaves, 5g of white sugar, 5g of galangal, 2 bags of black tea and a proper amount of water.

3. Prepare all the ingredients, wash the eggs and put them in the pot. Add clear water to the surface of the eggs. After boiling over high fire, turn it to medium heat and continue cooking for 5 minutes.

4. After the eggs are cooked, take them out and quickly brew them with cold water. After the eggs are cooled, tap them lightly until the surface of the eggshell is broken, forming cracks.

5. Put the eggs in a boiling pot, add enough water to the eggs, add tea bags, pepper, aniseed and fragrant leaves, add sugar and light soy sauce.

6. Add the soy sauce and salt and mix well. When the fire boils, turn to low heat and simmer for 5 minutes. Turn off the fire and soak for 4 hours before serving.