Italian Penicillin Soup

Linda Marino
Posted on February 20, 2026
February 20, 2026
by Linda Marino

Italian Penicillin Soup

I still remember the steam curling up from the pot, the lemon cutting through the warm chicken broth, and my children crowding the kitchen counter with ragged napkins and eager eyes. That smell told everyone it was time to slow down, sit together, and take comfort. This Italian Penicillin Soup has been the heart-warming answer to winter colds, tired days, and hard weeks in our house, and it fits into real life when time is short and love needs to be shared. For a quick reference I sometimes send friends to my trusted casual guide for the same recipe when they want a simple version, and it always helps them feel ready to cook. My easiest Italian Penicillin Soup

Why This Italian Penicillin Soup Means So Much

When my mother first taught me this soup, she spoke in small, steady motions while the radio hummed in the corner. She would break a few rules, like squeezing more lemon than the recipe called for, because she loved that bright note. The result was a bowl that felt like a warm hug and a clear head at once.

This recipe is not about making something fancy. It is about filling the house with a slow, honest scent: onions frying until soft, garlic waking in the pan, chicken simmering gently. It is about the quiet sound of spoons on ceramic and the sight of children with crumbs on their cheeks. I have tucked this pot into holidays, into late nights, and into sick days. It always offered warmth and ease.
Italian Penicillin Soup

The Simple Process Behind It

“Every time I stir this pot, it smells just like Sunday at home.”

Before I list the ingredients, take a moment to imagine the color and sound. The pot begins with a soft gold of sautéed onions and carrots. From there, the broth wakes up with a slow simmer and the chicken gives off a gentle, comforting steam. You will notice the broth turn clearer and brighter when the lemon and parsley join at the end.

If you like, I wrote a little note elsewhere about quick ways to trim the chicken before cooking and how pastina can change texture, and that short guide helps when you want a faster version. A quick note on pastina and speed

Ingredients You’ll Need

2 tablespoons extra virgin olive oil
1 large onion, diced (about 1 cup)
3 medium carrots, sliced into rounds
3 celery stalks, chopped
4 garlic cloves, minced
8 cups low-sodium chicken broth (or vegetable broth for vegetarian option)
1 whole chicken breast, bone-in and skin-on (about 1 pound)
2 bay leaves
1 cup small pasta (ditalini, orzo, or small shells)
1 teaspoon dried oregano
1/2 teaspoon dried thyme
1/4 teaspoon red pepper flakes (optional)
Salt and freshly ground black pepper to taste
2 tablespoons fresh lemon juice
1/4 cup fresh parsley, chopped

Garnishes & finishing touches:
Freshly grated Parmigiano-Reggiano cheese
Extra virgin olive oil for drizzling
Crusty Italian bread for serving

Substitution notes:
For gluten-free diets, replace pasta with rice or omit entirely.
Vegetarians can skip the chicken and use vegetable broth, adding white beans for protein.
Those avoiding dairy can skip the cheese garnish or use nutritional yeast instead.

Warm side notes: a dash more black pepper if you like a little heat, a pinch of nutmeg if you love cozy spice, and use fresh butter on your bread it makes all the difference.

I also keep a short guide on ingredient swaps for different pantries which I turn to when I am short on time. Ingredient swap ideas and pantry notes

Step-by-Step Directions

  1. Build the Aromatic Base:
    Heat olive oil in a large pot over medium heat.
    Add the diced onion, carrots, and celery, cooking for about 5-7 minutes until the vegetables begin to soften and the onion becomes translucent. Stir until glossy and soft.
  2. Stir in the Garlic:
    Add the minced garlic and cook for another minute until fragrant.
    Watch for a warm, toasty scent but do not brown the garlic.
  3. Add Broth and Chicken:
    Pour in the chicken broth and nestle the chicken breast into the pot.
    Add bay leaves, oregano, thyme, and red pepper flakes if using. Bring to a gentle boil, then reduce heat to maintain a steady simmer.
  4. Simmer Until Tender:
    Cover partially and simmer for 25-30 minutes, or until the chicken is completely cooked through and can be shredded easily.
    The broth should show tiny shimmering bubbles and give off a clear, flavorful steam.
  5. Remove and Cool Slightly:
    Remove the chicken breast and set aside to cool slightly.
    Keep the pot simmering gently so flavors continue to marry.
  6. Shred and Season:
    Remove the skin and bones, shred the meat into bite-sized pieces, and return to the pot.
    Season the broth with salt and pepper to taste while tasting a small spoonful to judge the balance.
  7. Cook the Pasta:
    Return the shredded chicken to the pot and bring the soup to a gentle boil.
    Add the pasta and cook according to package directions until al dente; the starch will slightly thicken the broth.
  8. Finish with Fresh Elements:
    Remove bay leaves and stir in fresh lemon juice and chopped parsley.
    Taste and adjust seasoning. Serve with grated Parmigiano-Reggiano, drizzle with extra virgin olive oil, and pair with crusty Italian bread.

This recipe can be made ahead and stored; substitutes and variations are noted above. For protein swaps or small hands, use a finer pasta and shorten cooking time slightly. For a heartier bowl, add drained white beans at the end.

Bringing Italian Penicillin Soup to the Table

There is a gentle way we set the table when this pot comes out, and I always save the best bowls for the folks who need a little extra comfort. Serve bowls deep and warm, with a mound of chicken and pasta in the center and broth poured slowly so it glows.

Top with a generous shaving of Parmigiano-Reggiano and a small drizzle of olive oil. Offer lemon wedges on the side so each person can brighten their bowl to taste. I like to leave the bread in a basket with a soft towel to keep it warm, and the clatter of spoons feels like a kind of music. Small jars of red pepper flakes and more parsley let everyone add what they love.
Italian Penicillin Soup

Storing Italian Penicillin Soup for Tomorrow

Once cooled, transfer the soup to airtight containers and refrigerate for up to four days. The flavors often settle and deepen overnight, and the lemon and parsley stay bright if you add them fresh when reheating.

To freeze, use freezer-safe containers and leave a little headspace. Freeze for up to three months. Thaw in the fridge overnight, and reheat gently on the stove. If the pasta has absorbed too much liquid after freezing, stir in a cup of warm broth or water while reheating to bring back the right balance.

When reheating, do it slowly over medium-low heat and stir occasionally. Add fresh parsley and a squeeze of lemon right before serving. For quick serving on a busy night, you can reheat a single portion in a small saucepan and finish with cheese and olive oil.

I have shared a few tips and tricks for reheating and separating portions when you want leftovers that still feel like a fresh bowl for one. Tips for reheating and portioning leftovers

Little Kitchen Notes

  1. Use bone-in chicken for the most flavorful stock: The bones give the broth a gentle body and that homey taste. If you only have boneless, add a teaspoon of poultry seasoning and simmer a little longer.
  2. Timing for pasta: If you plan to store leftovers, cook pasta to just under al dente so it holds up better the next day. Meanwhile, fresh-cooked pasta in the final bowl gives the best texture.
  3. One-pan prep: Use the same pot for browning and simmering to keep less to clean. After serving, soak the pot right away to make the cleanup easy.
  4. For vegetarian comfort: Add a can of rinsed white beans and a pinch of smoked paprika. From there, let the beans warm slowly and finish with lemon and parsley for brightness.
  5. Brighten at the end: Always add lemon and fresh herbs at the very last moment to keep their color and scent. A final swirl of olive oil makes the broth feel silkier.

Family Variations on Italian Penicillin Soup

In my family, every aunt and cousin has a favorite twist. One sister adds cubes of zucchini and a splash of white wine in the early simmer. A neighbor tosses in chopped kale five minutes before the pasta finishes so the greens stay bright and slightly chewy.

Some families use tiny pastina to make a soothing, almost porridge-like bowl for children. Others prefer orzo for a little bite, or small shells for a rustic feel. If you like spice, add a pinch more of red pepper flakes when you add the pasta; if you prefer a creamier note, stir in a tablespoon of mascarpone at the very end for a silky finish.

For winter comfort, roast the carrots and onions first until they have a few caramelized edges. This brings a deeper sweetness to the broth and gives a cozy, rounded flavor that everyone notices.

FAQs About Italian Penicillin Soup

Can I make this soup a day ahead?

Yes, and honestly, it tastes even better the next day when the flavors settle together. Keep the pasta slightly undercooked if you plan to refrigerate.

Can I use leftover roast chicken?

Absolutely. Shred the meat and add it in the last five minutes of reheating so it warms through without drying.

What if I want to make it vegetarian?

Use vegetable broth and add white beans for protein. Finish with lemon and parsley for brightness.

How can I make this soup faster on busy nights?

Use pre-chopped mirepoix from the store, quicker-cooking pastina, and shredded rotisserie chicken. From there, the pot comes together in about 20 minutes.

Is the lemon necessary?

Yes, it brightens the whole bowl. You can start with one tablespoon and add more to taste.

A Final Thought

Cooking this soup has always been less about exact measures and more about presence. Once the pot simmers and the house grows soft with steam, tiny conversations start up. Kids will tell stories between spoonfuls, and adults will find a way to unwind. I hope you find the same gentle rhythm when you make this bowl.

I like to end with a small ritual: a deliberate squeeze of lemon, a quick scatter of parsley, and a quiet moment to breathe before the first bowl is passed. It is a small thing, but it makes the meal feel like something made on purpose, for people you love.

Conclusion

If you want another take or a quick reference to compare techniques, this Italian Penicillin Soup Recipe – Allrecipes shows a similar approach with its own notes. For a nonna-style memory-rich version and a slightly different pastina technique, I often look at Italian Chicken Pastina Soup (aka Italian Nonna’s Penicillin Soup) which captures another warm family voice.

I hope this keeps you cozy and that the kitchen becomes a place for comfort again. Take your time, taste as you go, and pass the bowls around with love.

A bowl of Italian Penicillin Soup garnished with fresh herbs and vegetables.

Italian Penicillin Soup

A heart-warming Italian soup filled with chicken, fresh vegetables, and lemon, perfect for comforting winter days or colds.
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Course Main Course, Soup
Cuisine Italian
Servings 6 servings
Calories 320 kcal

Ingredients
  

Base Ingredients

  • 2 tablespoons extra virgin olive oil
  • 1 large onion, diced (about 1 cup)
  • 3 medium carrots, sliced into rounds
  • 3 celery stalks, chopped
  • 4 cloves garlic, minced
  • 8 cups low-sodium chicken broth (or vegetable broth for vegetarian option)
  • 1 whole chicken breast, bone-in and skin-on (about 1 pound)
  • 2 leaves bay leaves
  • 1 cup small pasta (ditalini, orzo, or small shells)
  • 1 teaspoon dried oregano
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon red pepper flakes (optional) Use for extra spice
  • Salt and freshly ground black pepper to taste
  • 2 tablespoons fresh lemon juice
  • 1/4 cup fresh parsley, chopped

Garnishes & Finishing Touches

  • Freshly grated Parmigiano-Reggiano cheese
  • Extra virgin olive oil for drizzling
  • Crusty Italian bread for serving

Instructions
 

Build the Aromatic Base

  • Heat olive oil in a large pot over medium heat.
  • Add diced onion, carrots, and celery, cooking for about 5-7 minutes until vegetables begin to soften.

Stir in the Garlic

  • Add minced garlic and cook for another minute until fragrant.

Add Broth and Chicken

  • Pour in chicken broth and nestle chicken breast into the pot.
  • Add bay leaves, oregano, thyme, and red pepper flakes if using.
  • Bring to a gentle boil, then reduce heat to maintain a steady simmer.

Simmer Until Tender

  • Cover partially and simmer for 25-30 minutes until chicken is cooked through.

Remove and Cool Slightly

  • Remove chicken breast and set aside to cool slightly.

Shred and Season

  • Remove skin and bones from chicken and shred meat into bite-sized pieces.
  • Return shredded chicken to the pot and season broth with salt and pepper to taste.

Cook the Pasta

  • Return shredded chicken to the pot and bring soup to a gentle boil.
  • Add pasta and cook according to package directions until al dente.

Finish with Fresh Elements

  • Remove bay leaves and stir in fresh lemon juice and chopped parsley.
  • Taste and adjust seasoning before serving.

Notes

This soup can be stored in airtight containers in the refrigerator for up to four days. For freezing, use freezer-safe containers and leave some headspace.

Nutrition

Serving: 1gCalories: 320kcalCarbohydrates: 40gProtein: 25gFat: 10gSaturated Fat: 2gSodium: 600mgFiber: 3gSugar: 4g
Keyword Chicken Soup, Comfort Food, Family Recipes, Healthy Soup, Winter Recipes
Tried this recipe?Let us know how it was!

Author
  • Mom Linda cooking in a cozy kitchen for Lazy Meal Prep

    Linda Marino, retired school cafeteria manager with 25+ years’ experience, now shares her trusted family recipes on Lazy Meal Prep offering comforting, practical, no-fuss meals busy families can rely on.

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