salt and pepper, to taste(about 1/4 teaspoon each to start)
Bread, lettuce, tomato for serving
Dice the hard boiled eggs into small even pieces (about 1/4 - 1/2 inch). Chop the parsley and chives/scallions.
Combine the avocado half, chopped parsley, chopped scallion, salt, pepper, and lime juice in a large bowl. Mash with a fork or a muddler to make an avocado paste. Stir in mayo, if using.
Add the chopped egg, chopped ham, and everything bagel seasoning, and mix well. Season with additional salt, pepper, lime juice, mayo, or everything bagel seasoning, if desired. Enjoy in a sandwich, on toast,, lettuce wrap, or with crackers.
For some more flavor or spice, try adding any of the following:
Pinch or red pepper flakes, cayenne, or smoked paprika