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By Klara Richter

Published: Jan 31, 2026

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White Lasagna Soup Recipe

This creamy white lasagna soup combines the comforting flavors of classic baked pasta in an easy stovetop meal. Ready in under an hour, this rich and satisfying dish transforms traditional layering into a spoonable delight.

With tender vegetables, hearty plant-based protein, and three types of cheese, this recipe brings all the goodness of baked casseroles to your soup bowl.

Why You’ll Love This White Lasagna Soup

White lasagna soup offers irresistible benefits for busy home cooks. First, it comes together faster than conventional lasagna while delivering similar rich flavors.

Moreover, the one-pot preparation simplifies cleanup. Additionally, the adaptable recipe accommodates various dietary preferences and available ingredients.

Comfort Food Convenience

Enjoy lasagna flavors without labor-intensive layering or lengthy baking times. The streamlined process maintains traditional elements through clever techniques.

For instance, broken lasagna noodles cook directly in the broth, absorbing flavors while creating perfect bite-sized pieces. Furthermore, the creamy cheese mixture mimics classic white sauce with minimal effort.

Recipe

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White Lasagna Soup Recipe

White Lasagna Soup Recipe


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  • Author: Klara Richter
  • Total Time: 55 min
  • Yield: 6 servings 1x

Description

Creamy white lasagna soup with vegetables and plant protein in cheesy broth


Ingredients

Scale
  • 3 tbsp salted butter (45 g)
  • 2 tbsp all purpose flour (18 g)
  • 3 small carrots (diced or sliced)
  • 1/2 medium yellow onion (diced)
  • 4 garlic cloves (minced or grated)
  • 1 1/2 tbsp Italian seasoning
  • 1 tsp red chili flakes
  • 1/4 tsp fresh grated nutmeg
  • kosher salt and fresh cracked pepper
  • 6 cups low sodium vegetable broth (1.4 L)
  • 1 lb plant-based protein chunks (450 g)
  • 810 lasagna noodles (broken into 2″ pieces)
  • 1 cup frozen whole leaf spinach (140 g, thawed and drained)
  • 1 cup half and half (240 mL)
  • 1 cup shredded mozzarella cheese (113 g)
  • 1/2 cup grated parmesan (50 g)
  • 4 oz cream cheese (113 g, room temperature)

Instructions

  1. Melt butter in large pot over medium heat. Whisk in flour and cook 1-2 minutes.
  2. Add carrots, onions, garlic, Italian seasoning, chili flakes, and nutmeg. Cook 2-3 minutes until fragrant.
  3. Pour in vegetable broth and add plant-based protein. Season with salt and pepper. Cover and cook 20-25 minutes.
  4. Bring soup to boil over high heat. Stir in broken lasagna noodles, spinach, and half & half. Cook 8-10 minutes.
  5. Reduce heat to low. Gradually add mozzarella, parmesan, and cream cheese. Stir until fully melted and smooth.
  6. Adjust seasoning with salt and pepper. Thin with extra broth if needed. Cool 10 minutes before serving.

Notes

  • Use kitchen shears to shred plant protein quickly
  • Microwave spinach 1 minute to thaw faster
  • Substitute whole milk if half & half unavailable
  • Grate nutmeg fresh for best flavor
  • Prep Time: 20 min
  • Cook Time: 35 min
  • Category: Main Course
  • Method: Baked
  • Cuisine: American

Nutrition

  • Calories: 555 kcal
  • Sugar: 3 g
  • Sodium: 542 mg
  • Fat: 29 g
  • Carbohydrates: 40 g
  • Fiber: 3 g
  • Protein: 35 g

Ingredients and Substitutions

This flexible recipe adapts easily to ingredient preferences and substitutions. Here’s what you’ll need to create the base version with alternative options listed.

Base Components

  • 3 tbsp salted butter
  • 2 tbsp all purpose flour
  • 3 small carrots (diced or sliced)
  • 1/2 medium yellow onion (diced)
  • 4 garlic cloves (minced or grated)
  • 1 1/2 tbsp Italian seasoning
  • 1 tsp red chili flakes
  • 1/4 tsp fresh grated nutmeg
  • Kosher salt and fresh cracked pepper
  • 6 cups low sodium vegetable broth
  • 1 lb plant-based protein chunks
  • 8-10 lasagna noodles (broken into 2″ pieces)

Creamy Additions

  • 1 cup frozen whole leaf spinach (thawed and drained)
  • 1 cup half and half (whole milk or heavy cream work too)
  • 1 cup shredded mozzarella cheese
  • 1/2 cup grated parmesan
  • 4 oz cream cheese (room temperature)

How to Make White Lasagna Soup

Follow these simple steps for perfect results every time. The process involves building layers of flavor through sequential additions, similar to creating traditional lasagna components separately but streamlined into one pot.

Step 1: Create Flavor Foundation

Melt butter in a large heavy-bottomed pot or Dutch oven over medium heat. Whisk in flour and cook 1-2 minutes. Add carrots, onions, garlic, Italian seasoning, chili flakes, and nutmeg. Cook 2-3 minutes until fragrant, stirring frequently.

Step 2: Cook Protein Base

Pour in vegetable broth and add plant-based protein chunks. Season with salt and pepper. Cover and cook 20-25 minutes until protein pieces become tender. Shred using forks directly in the pot for easier mixing or remove to shred before returning.

Step 3: Add Noodles and Greens

Bring soup to a boil over high heat. Stir in broken lasagna noodles, spinach, and half & half. Cook 8-10 minutes until noodles achieve preferred tenderness, stirring occasionally to prevent sticking. Those who love baked chicken dishes might enjoy exploring our other baked entrees for varied meal planning.

Step 4: Incorporate Cheeses

Reduce heat to low. Gradually stir in mozzarella, parmesan, and cream cheese. Mix gently until smooth and creamy. Let simmer 2-3 minutes as cheeses fully melt. Adjust seasoning with salt and pepper. Thin with extra broth for desired consistency.

Pro Tips for Success

Implement these professional techniques for the best possible white lasagna soup:

  • Use freshly grated cheeses instead of pre-shredded versions to prevent graininess
  • Break lasagna noodles before opening the package to contain mess
  • Simmer spinach with stems removed for superior texture
  • Gradually temper cold dairy into hot soup to prevent curdling

Flavor Variations

Personalize this recipe using these creative adaptations. Interestingly, you can tweak multiple components without compromising the signature creamy richness.

Vegetable Options

  • Replace carrots with roasted red peppers
  • Add mushrooms with onions during sautéing
  • Incorporate zucchini or yellow squash
  • Use kale instead of spinach

Protein Swaps

  • Try white beans for a vegetarian protein boost
  • Use shredded turkey or plant-based grounds
  • Incorporate sliced vegetarian sausage links

Serving Suggestions

Complete your meal presentation with these complementary dishes and garnishes. Serve soup in wide bowls to showcase its rich texture. The baked flavor profile pairs beautifully with crusty bread and light salads. You might consider including other baked dishes from our collection to create complete menus.

  • Garlic bread or breadsticks
  • Crisp green salad
  • Roasted vegetables
  • Fresh basil or parsley garnish
  • Extra parmesan for sprinkling

Storage and Freezing Instructions

Proper storage maintains quality for later enjoyment. Since milk-based soups require careful handling, follow these guidelines:

Refrigeration

Cool soup completely before transferring to airtight containers. Store in refrigerator 3-4 days. When reheating, warm gently over medium-low heat. Add broth as needed to thin since noodles absorb liquid when chilled.

Freezing Considerations

Freeze without dairy components when possible. The soup base with vegetables and plant protein freezes well 2-3 months. Add fresh cheese and half & half after thawing and reheating. If freezing fully prepared soup, expect slight texture changes in dairy elements upon thawing. Heat frozen soup slowly while stirring frequently.

Nutrition Facts per Serving

CaloriesFatCarbsProteinFiberSugarSodium
555 kcal29 g40 g35 g3 g3 g542 mg

FAQs About White Lasagna Soup

Can I use no-boil lasagna noodles?

Yes, no-boil noodles work well when broken into smaller pieces. However, reduce cooking time since these noodles soften faster in liquid. Check doneness after 5-6 minutes of simmering to prevent overcooking.

What can substitute half and half?

Create alternatives by mixing equal parts milk and cream. Those preferring lighter options can use evaporated milk. For richer consistency, heavy cream works beautifully. Those interested in creamy mushroom accompaniments might explore other white sauce applications.

How do I prevent cheese clumping?

Remove soup from heat before adding cheeses. Incorporate products room temperature instead of cold. Sprinkle and stir gradually rather than dumping all cheese at once. If clumps form, blend briefly with an immersion blender.

Can I make this vegetarian?

Our recipe already uses vegetable broth and plant protein, making it vegetarian-friendly. For vegan adaptation, use dairy substitutes: nutritional yeast replaces parmesan, cashew cream or silken tofu stands in for dairy components.

Final Thoughts

White lasagna soup reinvents a beloved baked dish as a comforting stovetop creation. This versatile recipe accommodates ingredient swaps and dietary preferences while delivering familiar savory flavors.

As the ultimate cold-weather comfort food, this creamy soup becomes even better next day as flavors meld. Give this recipe a try for your next family dinner or meal prep session!

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