Quick White Lasagna Soup

It was a miserable Tuesday when I threw this together after my daughter begged for lasagna but I had zero energy for layering noodles. I grabbed my soup pot and just started dumping things in—broken noodles, leftover chicken, whatever cheese I had in the fridge. That first steamy bowl tasted like I'd spent hours at the stove, and now it's the soup my kids actually cheer for.

Last winter my friend Lisa came over for dinner looking completely defeated by work and life in general. I served her this soup with some crusty bread, and she literally closed her eyes after the first spoonful and said this was exactly what she needed. Sometimes food really does fix things.

Ingredients

• Cooked chicken: Rotisserie chicken is your best friend here but leftover roasted chicken works perfectly too
• Olive oil: Creates the foundation for sautéing those aromatics
• Onion and garlic: Don't rush these—building flavor in the first step makes all the difference
• Baby spinach: Wilts beautifully into the hot soup and adds color without overwhelming the creamy base
• Chicken broth: Low sodium gives you control over the final seasoning
• Whole milk and heavy cream: This duo creates that velvety lasagna texture without being overwhelmingly rich
• Lasagna noodles: Breaking them into pieces means they cook faster and spoon up easier than traditional layers
• Ricotta cheese: That classic lasagna creaminess that melts into the broth
• Mozzarella and Parmesan: Mozzarella for stretch and Parmesan for that salty finish
• Italian herbs, salt, pepper: Simple seasonings that let the ingredients shine
• Crushed red pepper flakes: Just a pinch adds warmth without making it spicy

Instructions

Build the aromatic base:

Heat that olive oil in your large pot over medium heat and cook the diced onion for 3 to 4 minutes until it turns translucent and fragrant. Add the minced garlic and let it cook for just one minute more until you can really smell it.

Cook the noodles right in the broth:

Pour in your chicken broth and bring it to a gentle boil before adding those broken lasagna noodles. Let them cook uncovered for 8 to 10 minutes until they're perfectly al dente.

Add the creamy elements:

Stir in your shredded chicken and all those seasonings—Italian herbs, salt, pepper, and red pepper flakes if you like a little warmth. Pour in the milk and heavy cream and let everything simmer together for 5 minutes.

Finish with greens and cheese:

Add the spinach and cook just until it wilts into the soup, about 1 to 2 minutes. Stir in the ricotta, mozzarella, and Parmesan until melted and creamy.

Taste and serve:

Give it a final taste and adjust the seasoning if needed. Serve hot with extra Parmesan and cracked pepper on top.

Save

My grandmother would never approve of deconstructed lasagna but even she admitted this was pretty brilliant when I made it for her last Sunday. Sometimes the best recipes come from being tired and creative at the same time.

Making It Your Own

I've made this with turkey and even sautéed mushrooms when I wanted to skip meat entirely. The white wine splash mentioned in the notes is genuinely worth it if you have an open bottle sitting around.

The Bread Situation

Crusty bread is nonnegotiable here—I like to rub garlic butter on slices and throw them under the broiler while the soup simmers. Something about dipping cheesy bread into cheesy soup just works.

Freezer Friendly Tips

This soup actually freezes surprisingly well if you leave out the final cheese addition and add fresh cheese when you reheat. The noodles might get a bit softer but that creamy comfort flavor remains intact.

• Cool the soup completely before freezing to prevent ice crystals
• Store in portion sized containers for easy weeknight dinners
• Thaw overnight in the refrigerator then reheat gently on the stove

Save

This is the kind of soup that makes people feel taken care of without you having to work yourself into exhaustion. That's the real magic right there.

Your Recipe Questions Answered

→ Can I make this soup ahead of time?

The soup base can be prepared up to 2 days in advance, but add the pasta when reheating to prevent it from becoming too soft. Store the broth and cooked chicken separately, then bring to a simmer before adding noodles. The fresh spinach and cheeses should be added just before serving for the best texture and flavor.

→ What can I substitute for the heavy cream?

Half-and-half creates a lighter version while maintaining creaminess. For a dairy-free alternative, use full-fat coconut milk or cashew cream, though the flavor profile will shift slightly. Evaporated milk also works well as a lower-fat option that still provides rich texture.

→ Can I use no-boil lasagna noodles?

Regular no-boil noodles will work but may become too soft during the simmering process. Traditional lasagna noodles broken into pieces hold their texture better. If using no-boil varieties, reduce the cooking time to 4–5 minutes and check frequently to avoid mushy pasta.

→ How do I store and reheat leftovers?

Cool completely and store in an airtight container in the refrigerator for up to 3 days. The pasta will absorb more liquid over time, so add extra chicken broth when reheating on the stovetop. Microwave in 1-minute intervals, stirring between each, until heated through. Freezing is not recommended as the dairy may separate and the pasta texture will suffer.

→ Can I make this vegetarian?

Simply omit the shredded chicken and use vegetable broth instead of chicken broth. Add sautéed mushrooms, white beans, or chopped zucchini during step 2 to maintain heartiness and protein. The result remains satisfying and full of rich, cheesy flavor perfect for vegetarians craving comfort food.

→ What type of cheese works best?

Whole milk ricotta creates the creamiest texture, though part-skim works for a lighter version. Fresh mozzarella melts beautifully, but shredded saves time. Aged Parmesan adds salty depth—grate it yourself from a wedge for the best flavor. Avoid pre-shredded cheese blends containing anti-caking agents, as they won't melt as smoothly into the hot broth.