Add boiled eggs to a mixing bowl and crumble with a fork. Mash your avocado with a fork and add to bowl. Mix crumbled eggs and mashed avocado until fully combined.
Add diced tomato and chopped cucumber to bowl and mix again.
Add lemon juice, sea salt, and pepper to bowl and mix again.
Toast your bread (optional). Add one layer of fresh greens to bread and top with avocado egg salad mixture. Place other slice of bread on top and ENJOY!
Tip: Don't add the avocado egg salad mixture to the bread until ready to serve.