1. Spray large saucepan with cooking spray.
2. Add onion and carrots and saute over medium heat, adding a few drops of water if necessary to prevent sticking, stirring frequently, until onion is translucent and carrot is fairly tender.
3. Add water rice, salt, dill weed, and pepper; bring to a boil.
4. Cover; simmer 20-25 minutes or until rice is tender.
5. Stir in parsley and fat-free margarine.
6. Serve.