Separate egg white from yolk and put egg white in a small bowl. Dip the chicken into the egg whites and cover breast with breadcrumbs by placing in a zip lock bag and shaking. Cook breast in a cooking spray prepared pan on medium heat, covered. Flip breast every 4-5 minutes. Cook for about 20 minutes or until chicken is cooked all the way through. Toast whole grain waffles in a toaster until golden brown and crispy. Prepare one waffle with 2 tbsp. apple butter, avocado slices and lettuce. Enjoy!