Heat olive oil in a large pot over medium heat.
Add diced onions and minced garlic; sauté until translucent.
Incorporate sliced carrots and chopped celery; cook for 5 minutes.
Add chicken breasts to the pot, followed by the chicken broth.
Bring the mixture to a simmer and cook for 15 minutes.
Remove chicken, shred it, and return it to the pot.
Stir in the egg noodles and cook for an additional 10 minutes.
Season with salt and pepper to taste.
Garnish with fresh parsley before serving.
Serve hot and enjoy your delicious chicken and noodles!