Hard cook eggs: place eggs in a pot and fill with room temperature water until all the eggs are completely submerged. Bring to a boil then turn down to a low boil for approximately 12 minutes.
Once the eggs have cooled down, peel and chop into four pieces each
Scoop out avocado pulp into a medium bowl, combine with Greek yogurt and lemon juice and mash together with a fork. Combine eggs, celery and chives.
Season with salt and pepper to taste.
Spread half of the egg salad mixture onto a slice of whole wheat bread, top with a pinch of paprika, add a second slice of whole wheat bread and enjoy!