Slice your hard-boiled eggs in half, lengthwise.

Gently squeeze the whites so that the yolks pop out. Put the yolks in a medium-sized bowl.

Mash the yolks with a fork, then add the mayonnaise, mustard, capers, and some salt and pepper. Mix until smooth and taste for seasoning.

When the mixture tastes good, either scoop it and place it back into the egg whites or, if you want it to look fancier, put it into a Ziploc bag, cut off one corner of the bag (basically you are making a piping bag) and then squeeze the mixture into the egg white halves.

Sprinkle the tops with paprika and parsley.