Main Ingredients: 10 duck eggs, 35g of food-grade sodium hydroxide, 20g of ground black tea, 40g of salt

Supplementary Ingredients: 1,000g of water

Step 1: Prepare the required ingredients

Step 2: Wash the duck eggs and dry the surface water

Step 3: Pour the salt, ground black tea, and water into the container

Step 4: Stir well.

Step 5: Put the sodium hydroxide into another container

Step 6: Pour in the salt and tea solution

Step 7: Stir until the sodium hydroxide is completely dissolved

Step 8: Put the duck eggs into the container

Step 9: Fill in the prepared solution

Step 10: Cover and seal

Step 11: 55 days later can be uncovered

Step 12: pickled eggs out of the surface of the wash, shell cut can be enjoyed