It takes 12 to 15 minutes to boil duck eggs in cold water. Boil the salted duck eggs in cold water, usually about 12 to 15 minutes; boil the water after boiling, usually about 8 minutes. Salted duck eggs mainly use fresh duck eggs as raw materials, which are pickled and become a kind of processed eggs. Salted duck eggs are cyan in color and have a smooth and round appearance, so they were also called salted duck eggs in ancient times.

Salted duck eggs, also known as salted duck eggs, pickled duck eggs, and green eggs, are a kind of processed eggs with special flavor and easy to eat. Salted duck eggs are a good accompaniment to meals, with a very attractive color, aroma and taste.

Salted duck eggs are pickled eggs made from fresh duck eggs as the main raw material. They are rich in nutrients, fat, protein and various amino acids, calcium, phosphorus, iron and vitamins needed by the human body. etc., easily absorbed by the human body, moderately salty, suitable for all ages.

Yuan Mei's "Suiyuan Food List-Small Menu" has an article about "pickled eggs": Gaoyou is the best pickled eggs, thin in color and rich in oil, and Gao Wenduangong likes to eat them the most. During the banquet, first pick it up to honor the guests and put it on the plate. It is always advisable to cut the shell and use both yellow and white; do not keep the yellow and remove the white, otherwise the flavor will be incomplete and the oil will be dispersed. The characteristic of this product is that the egg center is red and rich in nutrients. It is rich in fat, protein and various amino acids and vitamins needed by the human body, and is easily absorbed by the human body. High-quality salted duck eggs are moderately salty and delicious, and are suitable for all ages.