This lasagna soup has all the rich, cheesy, and comforting flavors of classic lasagna but in a cozy soup form.

With Italian sausage, tender pasta, creamy broth, and a dollop of cheese on top, it’s hearty enough for a full meal and perfect for chilly days.

Why You’ll Love This Recipe

It combines all the flavors of traditional lasagna in a simple one-pot soup.

The creamy broth with sausage, tomato, and Italian spices makes every spoonful satisfying.

It’s easier than layering lasagna but just as comforting.

Toppings like mascarpone, ricotta, or Parmesan make it customizable.

What You’ll Need (Ingredient Highlights)

Lasagna sheets – Broken into bite-sized pieces for authentic flavor and texture.

Italian sausage – Brings richness and depth with plenty of seasoning built-in.

Mirepoix – Onion, carrot, and celery form the aromatic base of the soup.

Tomato paste – Deepens the flavor with a rich tomato essence.

Heavy cream – Adds creaminess and balances the savory broth.

Baby spinach – Adds color, freshness, and a healthy touch.

Mascarpone or ricotta – The finishing touch that melts into the hot soup for creaminess.

Pro Tips Before You Start

Cook pasta separately to avoid it soaking up too much broth.

Toast the tomato paste before adding stock—it builds a deeper flavor.

Always season as you go for the perfect balance.

Top each bowl individually with cheese so it melts beautifully when served.

How to Make Very Best Lasagna Soup

Step 1 – Cook the vegetables and sausage

Heat oil in a pot. Cook mirepoix with salt and pepper until softened.

Push aside, then add sausage. Brown well and crumble.

Step 2 – Build the flavor base

Add garlic, Italian seasoning, fennel, and tomato paste.

Stir and cook until fragrant and slightly darkened.

Step 3 – Make the broth

Sprinkle flour over the mixture and stir.

Gradually add chicken stock, scraping the bottom.

Add bay leaf and simmer uncovered for 15 minutes.

Step 4 – Cook the pasta

In a separate pot, boil lasagna pieces in salted water until al dente.

Drain, rinse briefly, and toss with olive oil.

Step 5 – Finish the soup

Stir in cream and simmer until slightly thickened.

Add spinach and cook until wilted.

Step 6 – Assemble and serve

Add pasta to bowls, ladle soup over, and top with mascarpone or ricotta, Parmesan, and fresh basil.

What to Serve It With

A side of garlic bread for dipping into the creamy broth.

A crisp green salad with balsamic dressing for freshness.

A glass of red wine to complement the hearty flavors.

Variations / Substitutions

Swap Italian sausage for ground turkey or chicken for a lighter version.

Use gluten-free lasagna noodles for a gluten-free soup.

Replace spinach with kale or Swiss chard for a different green.

Top with mozzarella instead of mascarpone for a melty, cheesy finish.

Storage & Leftovers

Store soup (without pasta) in an airtight container in the fridge for up to 4 days.

Keep pasta separate to prevent sogginess.

Reheat gently on the stovetop, adding a splash of broth if needed.

Freeze the soup (without cream or pasta) for up to 2 months, then add cream and pasta when reheating.

FAQs

Can I cook the pasta in the soup instead of separately?
Yes, but it will absorb more broth, so you may need extra stock.

Do I have to use heavy cream?
No, you can substitute half-and-half or whole milk for a lighter soup.

What cheese works best for topping?
Mascarpone or ricotta adds creaminess, while Parmesan adds sharpness.

Can I make this vegetarian?
Yes, substitute vegetable broth and skip the sausage or use plant-based sausage.

Is fennel seed necessary?
It’s optional but highly recommended for that authentic Italian sausage flavor.

Can I make it ahead of time?
Yes, but store pasta and soup separately until serving.

Final Thoughts

This lasagna soup is comfort food at its best—creamy, hearty, and full of Italian flavor.

It’s easier than making traditional lasagna but delivers the same cozy satisfaction, perfect for family dinners or meal prep.