These Easy Pickled Eggs are a delicious and healthy snack that everyone will enjoy! Pickled Eggs This is a perfect recipe to use already prepared hard-boiled egg. Leave for at least 2 weeks before eating, preferably a month, then store in the fridge once opened. With no canning required, this recipe contains just the right combination of sweet, sour and salty. They would be great for a brunch or springtime luncheon.—American Egg Board, Linda Braun, Park Ridge, Illinois These Pickled Eggs are the perfect on the go snack or a make a yummy sandwich filling! Seal and leave to cool completely. Pack the eggs into the jar, then pour over the vinegar mixture.