Season chicken breast with salt and pepper, cook, and cut into bite-sized pieces.
Boil the eggs, peel them, and cut into quarters.
Cut the avocado, cherry tomatoes, cucumber, and onion into bite-sized pieces.
Tear the romaine lettuce into small pieces and place in a bowl.
Neatly arrange all the prepared ingredients in the bowl.
Drizzle olive oil and lemon juice over the top to finish.