Do it yourself if you want
Step1:Wash duck eggs. Put them in a large bowl, pour in wine and soak for five to ten minutes.
Step2:I wrapped it in tin paper. I took out the duck eggs one by one and wrapped them in salt tin paper. I wrapped the salt as much as possible. Then I put it in a bag and put it in a cool place.
Step3:You can eat it in about 50 days. Boil it and peel off the full oil. The sense of achievement is also full.
Cooking tips:There are skills in making delicious dishes.