In a large pot, heat a tablespoon of oil over medium heat.
Add chopped onions, garlic, carrots, and celery; sauté until softened.
Stir in the shredded chicken and cook for 2-3 minutes.
Pour in the chicken broth and bring to a boil.
Add the rice and season with salt and pepper.
Reduce heat and simmer for 20 minutes until rice is tender.
Taste and adjust seasoning if necessary.
Ladle into bowls and garnish with fresh parsley.
Serve hot and enjoy!