Salted eggs, also known as preserved eggs, are duck, chicken, or quail eggs cured in a salt brine or salt-and-clay coating, common in East Asian cuisines. The curing process firms the egg whites and gives the yolks a rich, oily, custard-like texture and deep savory flavor. Salted eggs are often confused with century eggs (pidan), a distinct product made through alkaline rather than salt curing, which produces a dark, gelatinous white and a pungent aroma that salted eggs lack.
The origins of salted eggs can be traced back to ancient China, where the preservation of eggs was an important food storage technique. The exact origins are unclear, but the practice likely emerged as a way to extend the shelf life of eggs during times of scarcity or seasonal availability.
To make salted eggs, fresh duck, chicken, or quail eggs are submerged in a salt brine or packed in a salt-and-clay mixture, sometimes with the addition of traditional herbs and spices. This curing process typically takes three to four weeks, depending on the recipe and desired saltiness. During this time, the salt firms the egg whites and draws oil into the yolks, giving them their characteristic rich, orange, custard-like texture and intense, savory flavor.
Salted eggs are prized in Chinese, Taiwanese, and other East Asian cuisines for their unique taste and texture. They are commonly used as a savory ingredient in a variety of dishes, such as congee (a type of rice porridge), stir-fries, and baked goods. The preserved egg yolks can also be used as a garnish or incorporated into sauces and dips.
In addition to their culinary applications, salted eggs hold cultural significance in many East Asian societies. They are often presented as gifts during important occasions and family celebrations, and are sometimes used in traditional Chinese medicine practices for their purported health benefits.
While the basic salting process remains consistent, there are regional variations in the specific ingredients and methods used to create salted eggs. Some variations may include the use of tea leaves, rice wine, or other flavorings in the brine. The duration of the curing process can also affect the final texture and flavor profile of the salted eggs.
Salted eggs can be enjoyed on their own as a snack or incorporated into a variety of dishes. They can add a rich, savory, and umami-packed flavor to rice dishes, stir-fries, and baked goods. The creamy, custard-like yolks can also be used as a spread or dip, complementing the salty, slightly sulfurous notes of the preserved egg.