Main ingredient: 10 duck eggs, 35g of food-grade sodium hydroxide, 20g of black tea, 40g of salt, 1000g of water

Step 1: Ingredients: 10 duck eggs, 35g of food-grade sodium hydroxide, 20g of black tea, 40g of salt, 1000g of water

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

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

Step 4: Stir well.

Step 5: Put the sodium hydroxide into another container,

Step 6: Slowly pour in the salt tea solution,

Step 7: Gently stir until the sodium hydroxide is completely dissolved.

Step 8: Place the duck egg into the container,

Step 9: Slowly pour in the prepared solution.

Step 10: Put the lid on and seal it.

Step 11: After 55 days, remove the lid.

Step 12: Take out the prepared duck eggs

Step 13: Soak in water and wash the surface solution

Step 14: Remove the shell

Step 15: Pickled leather eggs