Follow these simple steps to create a delicious pot of Sicilian Chicken Soup:

1. Heat Oil: In a large pot, heat the olive oil over medium heat.
2. Sauté Vegetables: Add the chopped onion and garlic, sautéing until translucent. This should take about 3-4 minutes.
3. Add Carrots and Celery: Stir in the diced carrots and celery. Cook for another 5 minutes until they start to soften.
4. Incorporate Bell Pepper: Add the diced bell pepper and cook for an additional 3 minutes.
5. Pour Chicken Broth: Pour in the chicken broth and bring it to a gentle simmer.
6. Add Chicken: Submerge the chicken breasts in the broth. Cook for 20 minutes or until the chicken is cooked through.
7. Shred Chicken: Remove the chicken from the pot and shred using two forks. Return the shredded chicken to the soup.
8. Add Tomatoes and Herbs: Stir in the diced tomatoes, oregano, basil, salt, and pepper. Let it simmer for another 10 minutes.
9. Zucchini Addition: Incorporate the diced zucchini. Allow the soup to continue simmering until the vegetables are tender, about 5 minutes.
10. Pasta Option: If desired, stir in cooked pasta before serving.

This simple process produces a delightful and fragrant Sicilian Chicken Soup.