Here’s how to make Italian Penicillin Soup, ensuring each step is simple and efficient:

1. Heat Oil: In a large pot, heat the olive oil over medium heat.
2. Sauté Onions: Add the chopped onion and sauté until translucent, about 4 minutes.
3. Add Garlic: Stir in the minced garlic and cook for an additional 1 minute until fragrant.
4. Incorporate Vegetables: Add the diced carrots, celery, zucchini, and bell pepper. Cook for 5-7 minutes until they begin to soften.
5. Pour in Broth: Add the chicken broth to the pot and stir in the dried Italian herbs and bay leaf.
6. Bring to a Boil: Increase heat to high and bring the soup to a rolling boil.
7. Simmer Soup: Reduce heat to low and let the soup simmer for 20 minutes, allowing flavors to meld.
8. Add Chicken and Pasta: Stir in the shredded chicken and pasta, cooking until the pasta is tender (about 10 minutes).
9. Season to Preference: Season with salt and pepper to taste, ensuring the flavors are balanced.
10. Final Touch: Remove the bay leaf before serving and stir in chopped parsley for freshness.

Following these steps will lead you to a delightful pot of Italian Penicillin Soup, brimming with flavor and comfort.