Boil the eggs. Watch this video tutorial for the best way to boil the eggs so they can easily be peeled.
Peel the eggs, then cut the eggs in half and gently scoop the yolks into a mixing bowl.
Mash the yolks with a fork, then stir in the mayonnaise, salt, and pepper. Transfer the yolk filling to a zip-top bag and seal.
Snip a corner off the zip-top bag and pipe the yolk filling into the egg whites.