I hard boil them and cut them in half, pull out the yolk and mix it with mayo, chopped onion, chopped celery, salt and pepper. put it back on the egg halves and top with paprika. I don't really do anything fancy lol.
a little mustard,mayo, a pinch of pickle relish , super finely chopped red onion(just a pinch), sprinkle of seasoned all,pepper...mix in bowl and put the in egg white.
On top, I put paprika and parsley flakes.