There’s a particular kind of quiet that settles in when you’re feeling worn down, a quiet that begs for a simple, steaming bowl of comfort.

That’s precisely where this Italian Penicillin Soup comes in, ready to wrap you in a warm, savory hug.

More Than Just a Name

Let’s address the elephant in the room right away, the big, hopeful question in that playful title.

This soup isn’t a pharmacy prescription, but it is a powerful dose of culinary comfort, designed for days when even thinking about cooking feels like too much.

Why This Soup Earned Its Reputation

Its magic lies in a beautiful simplicity. You start with humble vegetables, the kind that last in the fridge.

You simmer them until they surrender all their flavor, then blend them right into a silky, golden broth.

The result is a soup that’s incredibly easy to eat, even when your appetite has decided to take a vacation. It’s nourishment without the effort, warmth without the weight.

And for me, Elly, it’s my forever go-to when a busy day ends, or a scratchy throat begins.

Ingredients Needed for the Recipe

Gathering these simple items is the first step toward that pot of gold at the end of the rainy day.

• Olive Oil: Used to gently coax the sweetness from our vegetables at the start, building a flavor foundation.
• Carrots, Onion, Garlic, and Celery: This classic quartet forms the soup’s soul. When blended, they create a naturally sweet and deeply savory base.
• Chicken or Vegetable Broth: The liquid lifeline of the soup, choose a good-quality broth as it directly influences the final taste.
• Parmesan Rind (optional): A secret weapon for umami depth. If you have one saved in your freezer, this is its moment to shine.
• Pastina: Those tiny, star-shaped pasta bits that make every spoonful delightful. They cook right in the soup, thickening it perfectly.
• A Whole Lemon: The bright, fresh finish. Its acidity lifts all the other flavors and adds a surprising, welcome zip.
• Fresh Parmesan, Black Pepper, etc. for serving: The essential garnishes that make each bowl feel complete and special.

The Simple Tools You’ll Rely On

You don’t need fancy equipment, just a couple of kitchen workhorses.

A large pot or Dutch oven is your main stage, where everything comes together.

And an immersion blender is the star player for creating that smooth, velvety texture without any fuss. A regular blender works too, you just need to be careful with the hot soup.

How to make Italian Penicillin Soup?

The process is straightforward, almost therapeutic. Just follow these steps and let the pot do its comforting work.

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Step 1 – Awaken the Aromatics

Warm the olive oil in your large pot over a medium heat. Add those roughly chopped carrots, onion, garlic, and celery.

A good pinch of salt and pepper goes in now, too. We’re not looking for a full roast, just a slight softening and a touch of color, about five minutes.

Step 2 – The Long, Gentle Simmer

Now, pour in all that broth and drop in the parmesan rind if you’re using it. Bring it up to a gentle boil, then immediately reduce the heat.

Let it simmer, covered, for about half an hour. You’ll know it’s ready when a fork slides into a carrot piece with absolutely no resistance.

Step 3 – Create the Silky Base

Fish out that now-flavorless parmesan rind and discard it. Here’s where the magic happens.

Take your immersion blender and plunge it right into the pot. Blend until every last vegetable bit has disappeared into a perfectly smooth, golden liquid.

Step 4 – Cook the Pastina

With your soup base simmering again, stir in the pastina. Let it cook for the time stated on its package, usually 8-10 minutes.

Stir occasionally to prevent sticking. The pasta will swell and thicken the soup beautifully.

Step 5 – The Bright Finale

Turn off the heat. This is crucial. Squeeze in the juice of your entire lemon, stir it through, and take a taste.

The transformation is instant. That bright, sunny lemon juice wakes up every other flavor in the bowl.

Step 6 – Serve with Love

Ladle the soup into deep bowls. Now, shower it with freshly grated parmesan, a crack of black pepper, maybe a tiny drizzle of olive oil.

Then, just breathe in the steam and take that first, soul-restoring spoonful.

Smart Swaps for What You Have

No pastina? Any small pasta shape works—orzo, ditalini, even tiny stars (stelline). Just adjust the cooking time accordingly.

Out of fresh lemons? A tablespoon or two of bottled lemon juice will do in a pinch, though fresh is always best.

And if you’re out of broth, you can use bouillon cubes or paste dissolved in water. The goal is to get that pot simmering.

Tips

• For the ultimate easy version, skip browning the veggies. Just add them straight to the broth with the oil and simmer a touch longer.
• To keep leftovers from becoming a pasta swamp, store the cooked pastina separately from the blended soup broth. Combine them when you reheat.
• Always add the lemon juice off the heat to preserve its bright, fresh flavor. Heat can make it taste bitter.

Make It Your Own: Simple Variations

Feel like switching things up? This soup is a wonderful canvas. A pinch of red pepper flakes adds a gentle warmth.

A knob of fresh ginger, grated in with the veggies, brings a zesty kick that’s wonderful when you’re stuffy.

For a heartier meal, stir in a cup of chopped rotisserie chicken or a can of drained white beans right before serving.

Storing Your Liquid Comfort

Let the soup cool completely before storing. As mentioned, keeping the pasta separate is the key to perfect leftovers.

The blended broth alone will freeze beautifully for up to three months. Thaw it overnight in the fridge, reheat, and cook a fresh batch of pastina to add in.

In the refrigerator, the broth will keep for about four days. It often tastes even better the next day, as the flavors continue to meld.

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Print Recipe

Italian Penicillin Soup Recipe

Author: Elly Cooking Method: Stovetop Cuisine: Italian Courses: Main Course, Soup

Difficulty: easy Prep Time 10 mins Cook Time 40 mins Total Time 50 mins

Servings: 6 Estimated Cost: $ moderate Calories: 180

Best Season: Winter, Fall

Description

A cozy soup to warm the soul, Italian Penicillin Soup with veggies and pastina is the perfect comfort meal for tough or busy days. Made with nourishing ingredients like pastina, fresh vegetables, lemon, and Parmesan, this simple soup is soothing, easy to digest, and loved by kids and adults alike. As a Registered Dietitian, I love it as a wholesome alternative to buttered noodles when you're unwell or just need a little comfort.

ingredients

Servings

Main Ingredients

• 3 Tbsp olive oil
• 3 large carrots (peeled and roughly chopped)
• 1 yellow onion (quartered)
• 5 cloves garlic (peeled)
• 3 ribs celery (halved)
• 1 tsp salt
• black pepper (to taste)
• 1 parmesan rind (optional)
• 8 cups chicken or vegetable broth
• 1.25 cup pastina (or other small pasta like orzo or stelline)
• 1 lemon (juiced, more as desired)

To Serve

• freshly grated parmesan and black pepper
• drizzle of olive oil (optional)
• chopped parsley (optional)

Instructions

1. Cook vegetables

   Add olive oil to a large pot and heat to medium. Add your vegetables, salt, and pepper. Cook for 4–5 minutes, stirring occasionally, or until vegetables are slightly browned. To save time, skip this step and add oil and veggies right to your broth.
   Mark as complete

2. Simmer soup

   Add the parmesan rind and broth. Cover, and turn the heat to high until the broth reaches a gentle boil. Turn the heat down to medium-low and continue to simmer, covered, for 25–30 minutes or until the vegetables are very soft. Stir occasionally.
   Mark as complete

3. Puree vegetables

   Remove the parmesan rind and set aside. Use your immersion blender to puree the vegetables until totally smooth. If you don’t have an immersion blender, spoon all the cooked vegetables into a regular, heat-safe blender. Blend until smooth and add back to your pot.
   Mark as complete

4. Cook pasta

   Add your pastina or small pasta to the simmering soup. Cook for 8–10 minutes or until cooked al-dente, stirring occasionally. Then, turn off the heat. If you're planning on storing leftovers, cook pastina separately and combine with broth right before serving.
   Mark as complete

5. Add lemon

   Stir in the juice of a full lemon. Taste, and adjust seasonings and lemon juice as desired. Stir in more broth for a thinner soup, if desired.
   Mark as complete

6. Serve

   Add soup to serving bowls and garnish with parmesan, black pepper, and whatever else you like. Enjoy!
   Mark as complete

Nutrition Facts

Servings 6

Serving Size 1 bowl (approx. 1.5 cups)

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Amount Per Serving

Calories 180kcal

% Daily Value *

Total Fat 7g11%

Saturated Fat 1.5g8%

Cholesterol 5mg2%

Sodium 890mg38%

Potassium 420mg12%

Total Carbohydrate 23g8%

Dietary Fiber 2g8%

Sugars 4g

Protein 6g12%

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Calcium 60 mg

Iron 1 mg

* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.

Note

• Make-ahead tip: Cook the soup base (without pasta) and store separately from cooked pastina to avoid mushy leftovers.
• Add protein: Stir in chopped rotisserie chicken, canned chickpeas, white beans, or lentils for a more filling meal.
• Vegetarian-friendly: Use vegetable broth instead of chicken broth.
• Freezing: Freeze just the blended broth base (no pasta). Add freshly cooked pastina when reheating.

Keywords: Italian Penicillin Soup, pastina soup, easy chicken soup, comforting soup, kid-friendly soup, healthy soup, vegetarian soup option