1. 10 raw salted duck eggs, appropriate amount of white wine, and two tablespoons of corn oil.

2. Wash the duck eggs.

3. Take out the egg yolk and remove the white egg white film on it.

4. Soak in white wine for 10 minutes and then put in the oven.

5. Bake the middle layer at 170 degrees for 8 minutes (no need to preheat the oven).

6. Take out and soak in corn oil and appropriate amount of white wine for 30 minutes to remove the fishy smell and allow the egg yolk to release oil.

7. Then wrap it with moon cakes or egg yolk cake.