Italian Penicillin Soup – A Cozy, Immune-Boosting Classic

Italian Penicillin Soup is Italy’s answer to the classic “chicken soup for the soul.” Packed with comforting flavors, nourishing vegetables, and tender chicken, this rustic broth is known not just for its satisfying taste — but for its reputation as a go-to remedy when you’re feeling under the weather.

Like Jewish penicillin (matzo ball soup), this Italian-style version is warming, gentle on the stomach, and rich in nutrients that help restore energy. Made with garlic, herbs, chicken, and pasta (often orzo or small shells), it’s both healing and heartwarming.

Perfect for cold and flu season, rainy days, or when you simply crave an old-world hug in a bowl.

Ingredients Overview

Chicken

Bone-in, skin-on chicken thighs or drumsticks give the broth depth and richness. Simmering with bones infuses the soup with collagen and nutrients.

You can also use a whole chicken, but thighs are faster and just as flavorful. For shortcuts, rotisserie chicken can be added to pre-made broth, though homemade will always taste better.

Aromatics (Garlic, Onion, Celery, Carrots)

The classic soffritto base of Italian cooking. Garlic plays a starring role here — it adds immune-supporting compounds and gives the broth its bold, healing aroma.

Use yellow onion, fresh celery stalks, and sweet carrots for balanced flavor.

Fresh Herbs (Parsley, Rosemary, Thyme)

These herbs give the soup a clean, earthy flavor. Rosemary and thyme are especially soothing, and parsley adds freshness at the end.

Bundle herbs with kitchen twine (as a bouquet garni) or toss them in loose and strain later.

Broth or Stock

Homemade chicken broth is ideal, simmered with the chicken, herbs, and vegetables. If using store-bought broth, opt for low-sodium and simmer it with extra aromatics to build flavor.

Pasta

Tiny pasta shapes like orzo, acini di pepe, ditalini, or pastina are traditional. Cook them directly in the broth or separately to avoid over-softening.

Olive Oil

Used to sauté the aromatics and adds smooth richness. Extra-virgin olive oil also has anti-inflammatory properties — ideal for a “healing” soup.

Lemon Juice (Optional)

A squeeze of lemon just before serving brightens the whole dish and adds a refreshing, citrusy lift that cuts through the richness.

Substitutions & Dietary Options:

• Gluten-free: Use gluten-free pasta or rice

• Low-carb: Omit pasta and load up on extra veggies or spiralized zucchini

• Vegetarian: Use vegetable broth and add chickpeas or white beans instead of chicken

Step-by-Step Instructions

1. Sear the Chicken

In a large Dutch oven or soup pot, heat a tablespoon of olive oil over medium heat.

Season the chicken with salt and pepper. Add to the pot and sear for 3–4 minutes per side until lightly golden. This step adds flavor to the base.

Remove and set aside.

2. Sauté the Aromatics

In the same pot, add more oil if needed. Add diced onion, celery, and carrots.

Sauté for 5–7 minutes until vegetables begin to soften.

Add minced garlic and cook for another 1–2 minutes until fragrant but not browned.

3. Build the Broth

Return the chicken to the pot. Add enough water or low-sodium broth to fully submerge the chicken (about 8 cups).

Add herbs (tied in a bundle or loose) and a bay leaf.

Bring to a boil, then reduce heat and simmer uncovered for 35–40 minutes, or until chicken is tender and easily pulls away from the bone.

4. Shred the Chicken

Remove chicken from the pot. Let it cool slightly, then shred meat from the bones. Discard bones and return shredded meat to the pot.

Taste broth and adjust seasoning with salt and pepper.

5. Add Pasta

Stir in small pasta (about 3/4 cup). Simmer until al dente — usually 6–8 minutes.

Add more broth or water if needed to adjust thickness.

6. Finish and Serve

Remove herb stems or bay leaf. Stir in chopped fresh parsley and a splash of lemon juice if using.

Serve hot with extra olive oil drizzled on top and optional grated Parmesan.

Tips, Variations & Substitutions

• Make it ahead: The soup base stores well in the fridge or freezer. Cook pasta separately and add just before serving to prevent sogginess.

• Boost nutrients: Add kale, spinach, or escarole in the last 5 minutes of cooking for extra greens.

• Add beans: Cannellini beans or chickpeas make it heartier and add fiber.

• Creamy version: Stir in a splash of cream or whisk in an egg yolk mixed with lemon juice for a velvety finish (stracciatella style).

• Spicy twist: Add a pinch of red pepper flakes or chili oil for gentle heat.

Serving Ideas & Occasions

Italian Penicillin Soup is a soothing main dish on its own, but also pairs well with:

• Warm crusty bread or garlic toast

• A simple green salad with vinaigrette

• Parmesan crisps or focaccia

When to Serve:

• Cold, rainy days

• During illness or recovery

• After travel or stressful weeks

• As a freezer meal for new parents or neighbors

It’s nourishing, gentle, and full of old-world charm.

Nutritional & Health Notes

This soup is designed to comfort and restore, offering a great balance of:

• Protein: From chicken, which supports immune repair and satiety

• Antioxidants: From garlic, herbs, and vegetables

• Hydration & electrolytes: From the broth base

• Carbs: From pasta, providing energy — easily adjustable for dietary needs

Use quality olive oil and fresh herbs for the most anti-inflammatory benefits. Portion it with a side salad for a complete, nutrient-packed meal.

FAQs

Q1: Can I make this soup ahead of time?

A1: Yes. The broth and chicken base can be made in advance and refrigerated or frozen. Add pasta just before serving for best texture.

Q2: What’s the best pasta for Italian Penicillin Soup?

A2: Orzo, ditalini, pastina, or acini di pepe. These small shapes cook quickly and blend well with the broth.

Q3: Can I make this with leftover chicken?

A3: Definitely. Use cooked shredded chicken and simmer it with broth and vegetables. You’ll save time, though the broth won’t be quite as rich without bones.

Q4: How do I make it gluten-free?

A4: Use gluten-free pasta or swap in rice, quinoa, or cauliflower rice. Double-check broth labels for hidden gluten.

Q5: Can I freeze this soup?

A5: Yes — but freeze it without the pasta. Cook fresh pasta when reheating for best texture.

Q6: Is this soup good for colds?

A6: Yes. It’s warm, easy to digest, and loaded with garlic, herbs, and broth that support hydration, soothe sore throats, and aid in recovery.

Q7: What herbs are best for the broth?

A7: Rosemary, thyme, parsley, and bay leaf are traditional. You can also use sage or marjoram for deeper flavor.

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