Salted egg yolk is a traditional food ingredient made from duck eggs that have been preserved in a salt solution or brine. This process enhances the flavor and extends the shelf life of the eggs. The yolk becomes rich, creamy, and slightly salty, making it a popular addition to various dishes. In many Asian cuisines, salted egg yolk is used in both savory and sweet recipes. It can be found in dishes like mooncakes, pasta, and fried snacks, where it adds a unique taste and texture. Its popularity has grown globally, inspiring chefs to experiment with this flavorful ingredient.