Season chicken breasts with ground black pepper and garlic salt. Heat olive oil in a medium skillet, and brown the onion and seasoned chicken breasts.
Pour tomatoes and balsamic vinegar over chicken, and season with basil, oregano, rosemary and thyme. Simmer until chicken is no longer pink and the juices run clear, about 15 minutes. Put over brown rice or wheat noodles. Then sprinkle Cheese on top.
*Nutritional information does not include rice/pasta or cheese