Preheat oven to 350. Season the chicken breast with salt and pepper and place in baking dish. Cook for 20-30 minutes depending on size of chicken until done.
While chicken is cooking assemble the salad. Gather two bowls. Place romaine in bottom of bowls. Add the radish, avocado, and cherry tomatoes. Peel and slice the eggs and add to bowl. Once chicken is done cube and add to bowls.
Serve with your favorite dressing.