How to pickle eggs?

The method of egg marinade is as follows:

1, put a proper amount of water in the pot, and put the washed eggs in the cold water pot. Bring the water to the boil, then turn to low heat and cook for 5 minutes.

2. Turn off the fire, take out the eggs and put them in cold water. Peel off the shell of the cold egg and put it in cold water again, and the amount of water is appropriate to submerge the egg.

3. After the eggs are cooled, draw a few shallow knife marks on the surface, put a proper amount of water in the pot again, and pour the concentrated marinade into the pot to make the marinade.

4. After the marinade is boiled, add the eggs and simmer for 30 minutes.