1. Production materials: sesame sauce eggs mainly use sesame sauce, salt and fresh eggs as the main raw materials; while salted duck eggs mainly use salt, water and duck eggs as raw materials.
2. Taste: Eggs with sesame sauce have a strong flavor of sesame sauce, tender and moderately salty; while the taste of salted duck eggs varies slightly depending on the production process, usually presenting a savory flavor.
3. Nutritional value: Eggs in sesame sauce and salted duck eggs are different in nutritional value. Sesame sauce eggs are rich in protein, calcium, iron and other nutrients, while salted duck eggs are rich in fat, protein and a variety of minerals.
4. Regional culture: Eggs in sesame sauce are a specialty of Jixian County in Tianjin, closer to the taste and culture of the local people; while salted duck eggs are more common in the southern region of China, and are a local specialty.
5. Production process: the production process of sesame sauce eggs is relatively simple, mixing the raw materials and then steaming; whereas the production process of salted duck eggs is relatively complex, requiring pickling, including different methods such as wrapping mud and brine method.
In summary, there are obvious differences between sesame paste eggs and salted duck eggs in terms of production materials, flavor, nutritional value, regional culture and production process.