Follow these simple steps to create your Italian Style Chicken Noodle Soup:

1. Heat the Oil: In a large pot, heat the olive oil over medium heat.
2. Sauté Vegetables: Add the diced onion, minced garlic, sliced carrots, and celery. Sauté for about 5-7 minutes until the vegetables are tender.
3. Add Chicken: Place the chicken breasts into the pot, stirring to combine with the vegetables.
4. Pour in Broth: Add the chicken broth to the pot, ensuring the chicken is fully submerged.
5. Season: Add the dried thyme, oregano, bay leaf, salt, and pepper. Stir well to combine.
6. Simmer: Bring the mixture to a boil. Once boiling, reduce the heat and let it simmer for about 25 minutes, or until the chicken is cooked through.
7. Remove Chicken: Carefully remove the chicken breasts from the pot and place them on a cutting board. Shred the chicken using two forks.
8. Add Noodles: Return the shredded chicken to the pot and add the egg noodles. Cook for an additional 10 minutes or until the noodles are tender.
9. Add Spinach: If using, stir in the fresh spinach and cook for a few more minutes until wilted.
10. Serve: Remove the bay leaf before serving. Ladle the soup into bowls and top with grated Parmesan cheese and chopped parsley.

These straightforward steps will guide you in creating a delicious and warming Italian Style Chicken Noodle Soup that your family will adore!