Ingredients preparation: fresh duck eggs, yellow mud, salt and high-alcohol liquor.

1. Pour 3kg of yellow mud into the basin, add some clear water, and stir the yellow mud into a paste. In the process of mixing, remove foreign bodies in the soil to ensure that the soil is fine and there are no large particles.

2. Then, 50 grams of salt and 30 ml of high-alcohol liquor are poured into the yellow mud and fully stirred.

3. Then clean the 30 duck eggs that need to be pickled, and it is best to clean the surface of the duck eggs with a brush.

4. Then put it aside to dry until there is no water.

5. Finally, roll the duck eggs in the yellow mud and stick them on the yellow mud.

6. Immediately put it into a pre-treated jar, seal the lid and marinate for more than 20 days.