When it comes to comfort food, Alfredo Lasagna Soup is the ultimate bowl of coziness. It’s creamy, rich, and loaded with all the familiar flavors of classic lasagna, but without the hours of layering and baking. This soup comes together faster than traditional lasagna and still delivers that cheesy, satisfying experience you crave.
Perfect for chilly nights or when you need a one-pot meal that pleases everyone, this creamy white lasagna soup combines tender noodles, a rich Parmesan broth, and your choice of protein. Whether you cook it on the stove, in a slow cooker, or with your Instant Pot, the result is always thick, hearty, and full of flavor.
Table of Contents
Why This Recipe is a Winner
- Multiple Cooking Options
Whether you prefer the stove-top, slow cooker, or Instant Pot, this Alfredo Lasagna Soup adapts to your schedule without losing flavor. - Flexible Protein Choices
Make it your own with spicy Italian sausage, mild sausage, or tender shredded chicken. Each version brings a unique twist to this creamy white lasagna soup. - One-Pot Simplicity
Everything cooks in a single pot which makes cleanup a breeze. It’s the perfect weeknight dinner solution. - Simple Ingredients
You can find all the ingredients at any grocery store. No fancy items, just everyday staples. - Loved by All Ages
Kids and adults alike go back for seconds. This creamy alfredo lasagna soup turns even picky eaters into fans.
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“Soup is a fabulous way to add nutrition.” Debbie Krivitsky-Health Harvard
You’ll Also Love
➤ One Pot Lasagna Soup
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Ingredients Needed
Here’s everything you need to make a warm and comforting pot of Alfredo Lasagna Soup, grouped by function for easy prep.
For the Soup Base
- 1 tablespoon olive oil
- 1 small onion, finely chopped
- 1/2 pound ground Italian sausage (mild or spicy, based on preference)
- 8 ounces mushrooms, sliced
- 2 cloves garlic, minced
- 4 cups baby spinach, loosely packed
- 5 cups low sodium chicken broth
- 5 uncooked lasagna noodles, broken into bite-sized pieces
- 1 teaspoon dried oregano
- 1/2 teaspoon dried basil
For the Creamy Sauce
- 3 tablespoons unsalted butter
- 3 tablespoons all-purpose flour
- 1 cup whole milk, room temperature
- 1 cup freshly grated Parmesan cheese
How to Make Alfredo Lasagna Soup
- Cook the Sausage and Veggies
Heat olive oil in a large soup pot over medium heat. Add ground sausage and cook until browned. Add chopped onion and sliced mushrooms. Stir frequently and cook for about 5 minutes until the onions are soft and the mushrooms are tender. - Add Garlic and Spinach
Stir in minced garlic and fresh spinach. Cook for 1 more minute just until the spinach starts to wilt. This quick step boosts the soup with fresh flavor and nutrients. - Pour in the Broth and Simmer
Slowly pour in the chicken broth. Bring it to a gentle simmer. Let it cook for 5 minutes so the flavors can start to combine. - Add Noodles and Herbs
Break the lasagna noodles into bite-sized pieces and add them to the pot. Sprinkle in dried oregano and basil. Increase the heat slightly and bring the mixture to a low boil. Cook for 10 to 12 minutes until the noodles are soft but not mushy. - Make the Creamy Sauce
While the noodles are cooking, melt butter in a separate skillet over medium-low heat. Whisk in flour and cook for 1 minute until bubbly and golden. This step creates a roux, which thickens the soup. - Add Milk and Cheese
Gradually whisk in the milk. Keep whisking until the mixture becomes smooth and thick enough to coat the back of a spoon. Turn off the heat and slowly stir in the grated Parmesan. If the cheese doesn’t melt right away, return to very low heat and whisk until creamy. - Combine and Finish the Soup
Slowly pour the creamy cheese mixture into the soup pot while whisking gently. Stir everything together until fully blended. Taste and adjust seasoning if needed.
Alfredo Lasagna Soup
Ingredients
Method
- Heat olive oil in a large soup pot over medium heat. Add ground sausage and cook until browned. Add chopped onion and sliced mushrooms. Cook for 5 minutes until the onions are soft and mushrooms are tender.
- Stir in minced garlic and fresh spinach. Cook for 1 minute until the spinach starts to wilt.
- Slowly pour in the chicken broth. Bring to a gentle simmer and cook for 5 minutes to combine flavors.
- Add broken lasagna noodles, oregano, and basil. Bring to a low boil and cook for 10–12 minutes until noodles are tender.
- In a separate skillet, melt butter over medium-low heat. Whisk in flour and cook for 1 minute until bubbly and golden.
- Gradually whisk in milk until smooth and thick. Turn off the heat and stir in Parmesan cheese until creamy.
- Slowly whisk the cheese sauce into the soup. Stir to combine fully. Taste and adjust seasoning if needed.
Notes
Nutrition Facts (Per Serving)
Calories: 621 kcal | Carbohydrates: 46 g | Protein: 32 g | Fat: 35 g | Saturated Fat: 16 g | Polyunsaturated Fat: 3 g | Monounsaturated Fat: 12 g | Trans Fat: 0.5 g | Cholesterol: 92 mg | Sodium: 1008 mg | Potassium: 1022 mg | Fiber: 3 g | Sugar: 7 g | Vitamin A: 3443 IU | Vitamin C: 13 mg | Calcium: 375 mg | Iron: 4 mg Nutrition Disclaimer Nutritional information provided is an estimate and may vary based on the products and brands you use. Calculate the actual nutrition values using your preferred nutrition calculator and the exact ingredients you choose.What You’ll Need
★ Large Soup Pot or Dutch Oven
★ Instant Pot or Pressure Cooker
★ Slow Cooker
Alternative Cooking Methods
Slow Cooker Alfredo Lasagna Soup
- In a skillet, brown the sausage with chopped onions and mushrooms. Once cooked, transfer the mixture to your slow cooker.
- Add garlic, spinach, chicken broth, broken lasagna noodles, oregano, and basil. Stir to combine.
- Cook on low for 6 to 7 hours or on high for 3 to 4 hours, until the noodles are tender.
- In the last 30 minutes, prepare the creamy sauce on the stove. Melt butter, whisk in flour, then slowly add milk and Parmesan until smooth.
- Stir the sauce into the soup during the final half-hour of cooking and mix gently to combine.
Instant Pot Alfredo Lasagna Soup
- Set the Instant Pot to sauté. Cook the sausage with onions and mushrooms until browned. Add garlic and spinach, and cook for another minute.
- Pour in the chicken broth, add broken noodles, oregano, and basil. Stir everything together.
- Lock the lid, set to manual pressure cook for 5 minutes.
- Once the timer goes off, let the pressure release naturally for 5 minutes before quick-releasing the rest.
- While the soup pressure cooks, prepare the creamy sauce on the stove as noted in the main method.
- When the lid is removed, stir in the creamy sauce until fully blended.
The “Pro Touch”: A Standout Garnish
To make your Alfredo Lasagna Soup unforgettable, add one of these special garnishes. Each one adds flavor, texture, and a bit of visual flair.
Crispy Prosciutto or Bacon
Fry thin slices of prosciutto or bacon until crisp. Crumble over the soup just before serving for a salty crunch that contrasts perfectly with the creamy base.
Lemon-Herb Ricotta
Mix ricotta cheese with a little lemon zest, chopped parsley, and a pinch of salt. Add a spoonful on top of each bowl for a fresh, tangy finish.
Crispy Fried Sage Leaves
Quick-fry fresh sage leaves in a little butter until crisp. Place a few on top of the soup for a savory, aromatic twist.
Pro-Tips and Troubleshooting
How to Thicken Alfredo Lasagna Soup
If your soup turns out thinner than you’d like, stir in a cornstarch slurry made from one tablespoon of cornstarch mixed with two tablespoons of water. Simmer for a few minutes until it thickens. You can also add a bit more roux or let the soup simmer uncovered to reduce naturally.
How to Thin the Soup
If the soup becomes too thick after sitting, simply stir in a splash of chicken broth or milk until it reaches the consistency you prefer.
Preventing Curdling
After adding dairy, keep the heat low. Avoid boiling the soup once the creamy sauce is added, as high heat can cause the dairy to separate or curdle.
For Leftovers
If you plan to store leftovers, consider cooking the noodles separately and adding them to individual servings. This helps prevent the noodles from soaking up too much liquid and turning mushy later.
Serving Suggestions
Alfredo Lasagna Soup pairs perfectly with simple sides that complete the comfort food experience.
Crusty Bread or Garlic Bread
Serve with warm crusty bread or slices of buttery garlic bread for dipping. The soft interior of the bread soaks up the creamy broth beautifully.
Simple Caesar Salad
A crisp Caesar salad balances the richness of the soup. The crunch from the romaine and the tangy dressing add a refreshing contrast to every bite.
Storage, Freezing, and Reheating Instructions
Refrigerating
Store leftover Alfredo Lasagna Soup in an airtight container in the fridge. It stays fresh for three to four days. For best texture, consider storing the noodles separately and adding them when reheating.
Freezing
Cream-based soups can sometimes separate after freezing. To avoid this, freeze the soup before adding the creamy sauce and noodles. When ready to eat, thaw the base, reheat gently, and stir in the fresh cream mixture and cooked noodles.
Reheating
Warm the soup slowly on the stove over low heat. Stir often to keep the texture smooth. If using the microwave, reheat in short intervals, stirring between each, until heated through. Add a splash of broth if it thickens too much.
Frequently Asked Questions (FAQ)
Can I make this soup gluten-free?
Yes. Use gluten-free lasagna noodles and replace the all-purpose flour with a gluten-free flour blend when making the roux for the creamy sauce.
What kind of sausage is best for lasagna soup?
Both hot and mild Italian sausage work well. Hot sausage adds a spicy kick while mild or sweet sausage delivers a more classic flavor. You can also use chicken sausage if preferred.
What can I use instead of heavy cream?
You can substitute with half-and-half for a lighter version. Canned coconut milk is another option that keeps the soup creamy while adding a slight sweetness.
Medical Disclaimer
The information provided in this Alfredo Lasagna Soup recipe is intended for general purposes only. It is not medical advice and should not replace guidance from a healthcare professional. Always consult with your doctor or a qualified health provider if you have dietary restrictions, allergies, or any health concerns before changing your eating habits. Never ignore medical advice based on something you read online.
Final Thoughts
Alfredo Lasagna Soup brings together all the best parts of lasagna in a creamy, cozy, one-pot meal. It saves time compared to traditional lasagna but delivers the same rich, satisfying flavor. Whether you use chicken or sausage, cook it on the stove or in a slow cooker, this soup fits into your routine and satisfies every craving.
If you tried this recipe, leave a comment and a star rating below. I’d love to hear your thoughts and see how you made it your own.
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High-Protein Nutrition Specialist and Wellness Advocate with over a decade of experience.
My human-first approach blends science-backed guidance with real-life empathy, shaped by my own journey through fatigue and muscle loss. Today, I help people reclaim strength, energy, and confidence through high-protein nutrition that’s both practical and empowering.
- Anne Newgenthttps://www.goldfoodie.com/author/anne-newgent/
- Anne Newgenthttps://www.goldfoodie.com/author/anne-newgent/
- Anne Newgenthttps://www.goldfoodie.com/author/anne-newgent/
- Anne Newgenthttps://www.goldfoodie.com/author/anne-newgent/
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