Pickled eggs are hard-boiled eggs that have been preserved in a vinegar-based brine. This brine often includes spices, herbs, and sometimes beet juice, which can give the eggs a vibrant color. The pickling process not only extends the shelf life of the eggs but also infuses them with tangy flavors. These eggs are commonly served as a snack or appetizer and can be found in various cuisines around the world. They are particularly popular in pubs and delis, where they may be enjoyed on their own or as part of a larger platter.