You can put tea leaves.

Preparation materials: 12 eggs, 1 boiled tea egg packet, 2 teaspoons of salt, 8 rock sugar, 3 tablespoons of dark soy sauce, 1 tablespoon of light soy sauce, and 10g of tea leaves.

1. The first step is to put the eggs into boiling water and cook them, then take them out and set aside, as shown in the picture below.

2. Use a spoon to break the egg shell into pieces. Do not break it into pieces, as shown in the picture below.

3. Put the prepared eggs, tea leaves, ingredients bag into the pot, and add half the pot of water, as shown in the picture below.

4. Add the prepared dark soy sauce, light soy sauce, salt and rock sugar to the pot, as shown in the picture below.

5. Cook on high heat for 15 minutes, on low heat for half an hour, and soak overnight, as shown in the picture below.

6. After soaking overnight, you can take it out and eat it, so the tea eggs are ready.