Quick White Lasagna Soup

The first time I made this soup was actually by accident. I had planned to make traditional lasagna but realized halfway through prep that I was completely out of the right sized pan. Too tired and hungry to start over, I threw everything into my biggest soup pot instead. That happy mistake has become one of my family's most requested comfort meals.

Last winter during a particularly brutal snowstorm, my neighbor texted saying she was exhausted from shoveling and had zero energy to cook. I sent over a mason jar of this soup with a slice of garlic bread. She texted back twenty minutes later saying her kids had already asked when I could make it again.

Ingredients

• 2 cups cooked chicken, shredded: Rotisserie chicken works perfectly here or use leftover roasted chicken for maximum ease
• 1 tablespoon olive oil: This creates the foundation for sautéing your aromatics and builds that subtle richness
• 1 medium onion, diced: Yellow onion adds natural sweetness as it softens and becomes translucent
• 2 garlic cloves, minced: Fresh garlic transforms the base into something fragrant and inviting
• 2 cups baby spinach: The spinach wilts beautifully into the hot soup adding color and nutrition
• 6 cups low-sodium chicken broth: Starting with low-sodium broth lets you control the final salt level perfectly
• 1 cup whole milk: Whole milk contributes body without being overwhelmingly heavy
• 1 cup heavy cream: This creates that luxurious restaurant-quality texture in the finished soup
• 8 lasagna noodles, broken into 2-inch pieces: Breaking the noodles beforehand eliminates the need for any pre-cooking
• 1 cup ricotta cheese: Ricotta melts into the broth creating those velvety white lasagna flavors
• 1½ cups shredded mozzarella cheese: Freshly shredded mozzarella melts better than pre-shredded bags
• ½ cup grated Parmesan cheese: Parmesan adds that essential salty umami depth to the creamy base
• 1 teaspoon dried Italian herbs: Oregano, basil, and thyme blend together to mimic classic lasagna seasoning
• ½ teaspoon ground black pepper: Fresh cracked pepper provides a gentle warmth throughout the soup
• ½ teaspoon salt: Start with half teaspoon then adjust at the end based on your broth's saltiness
• Pinch of crushed red pepper flakes: Optional but lovely if you enjoy subtle heat cutting through the cream

Instructions

Sauté the aromatics:

Heat olive oil in your large soup pot over medium heat, add diced onion and cook 3 to 4 minutes until it turns translucent and soft. Add minced garlic and stir for just 1 minute until fragrant.

Cook the noodles directly:

Pour in the chicken broth and bring to a gentle boil, then add broken lasagna pieces. Cook uncovered for 8 to 10 minutes, testing a piece to ensure it reaches al dente perfection.

Build the creamy base:

Stir in shredded chicken, Italian herbs, salt, pepper, and red pepper flakes if using. Pour in the milk and heavy cream, then let everything simmer together for 5 minutes to meld flavors.

Add the greens and finish:

Toss in spinach leaves and cook for 1 to 2 minutes just until they wilt down beautifully. Stir in ricotta, mozzarella, and Parmesan until melted completely into the soup.

Season and serve:

Taste your creation and adjust salt or pepper as needed. Serve piping hot with extra Parmesan and fresh cracked pepper on top.

Save

This soup became our go-to sick day meal last year. Something about the warm creamy broth with those familiar lasagna flavors feels like comfort in a bowl. Even my kids who claim they hate spinach will eat this without complaint.

Making It Your Own

My sister-in-law swaps the chicken for Italian sausage and says it transforms the soup into something completely different but equally delicious. I have also tried adding sun-dried tomatoes during the simmering stage for a burst of tangy sweetness that cuts through the rich creaminess beautifully.

Perfect Pairings

Crusty bread is absolutely essential here. I like to take slices of sourdough, brush them with olive oil and garlic, then run them under the broiler until golden and crisp. A simple green salad with bright vinaigrette helps balance the rich creamy soup.

Make Ahead Magic

This soup actually tastes even better the next day as all the flavors have time to marry together. Store it in an airtight container in the refrigerator for up to four days. The noodles will drink up some liquid but that just makes for an even more comforting texture.

• Freeze individual portions for quick emergency meals
• Package noodles separately if meal prepping more than two days ahead
• Always reheat gently over low heat to prevent the dairy from separating

Save

Sometimes the best recipes come from desperate kitchen improvisation and a willingness to embrace happy accidents. This soup started as a failed lasagna attempt but ended up becoming a weeknight staple I make more often than the original dish.

Recipe FAQs

→ Can I make this soup ahead of time?

Yes, though the noodles will continue absorbing liquid. Store leftovers in an airtight container in the refrigerator for up to 3 days. When reheating, add extra broth or milk to reach desired consistency since the pasta will have soaked up some liquid.

→ What can I substitute for the chicken?

Cooked turkey works perfectly as a substitute. For a vegetarian version, omit the chicken entirely and add sautéed mushrooms, white beans, or extra spinach for protein and substance.

→ How do I prevent the dairy from curdling?

Add the milk and heavy cream after the noodles are cooked and reduce heat to low. Avoid boiling vigorously once dairy is incorporated—gentle simmering keeps the soup smooth and creamy.

→ Can I use different pasta shapes?

Broken lasagna noodles are traditional and provide the right texture, but you can substitute other short pasta shapes like penne, rotini, or bow ties. Adjust cooking time according to package directions.

→ Is there a way to make this lighter?

Substitute half-and-half for heavy cream, reduce the amount of cheese slightly, or increase the spinach and vegetables. The soup will still be satisfying with a lighter profile.

→ What should I serve with this soup?

Crusty bread, garlic toast, or a simple green salad complement the rich flavors perfectly. The soup is substantial enough to stand alone as a main course.