Cheesy Vegetarian Lasagna Soup

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By Liliya

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Guess what? I’m bringing you one of my all time FAV meals turned into an incredibly cozy, easy-to-make soup. I’m talking about Vegetarian Lasagna Soup, my absolute FAVORITE dish!! Think all the delicious layers of lasagna, all warm, melty goodness, but without ALL that fuss!

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If you’re all about creamy, cheesy soups but want to keep it plant-based, this Vegan Broccoli Cheddar Soup is about to be your new favorite!

Seriously, this soup is my go-to whenever I want comfort in a bowl without spending a gazillion hours in the kitchen, and my sister-in-law absolutely LOVES it! And yes, as usual, we’ll make this super readable and optimized for those Google crawlers as well! Ready? Let’s go!!

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Why You’ll Be Obsessed with This Soup (Like I am)

Okay, let’s talk about why you need this recipe in your life. First, it’s like taking the best parts of a classic lasagna and turning it into a big warm HUG in a bowl. I don’t know about you but when its cold outside, or I’m feeling just low… This soup is a lifesaver. This soup hits all the marks and delivers everything we all need.

❤️
  • All the Flavors, No Effort:  This soup has all that savory tomato, cheesy goodness you love, but takes SO little to prep and put together! My kind of a recipe.
  • Veggies Galore: It’s packed with healthy, delicious veggies, making a full meal!
  • It’s a crowd pleaser:  Kids LOVE it and they keep asking for MORE! That says everything really!
  • Perfect for Weeknights:  It’s quick enough for a busy weekday, with 20 MINUTES to prep and all ready under an hour.
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Ingredient You’ll Need For Vegetarian Lasagna Soup

Alright! Here is your shopping list to kickstart our kitchen adventure. Each one is as important to deliver the flavor I promise!! So, gather your squad and let’s rock!

  • Lasagna Noodles: Broken into small pieces for our soup delight.
  • Vegetable Broth: That flavour base we need to achieve soup greatness!
  • Crushed Tomatoes & Tomato Paste: Hello Tomato Heaven!
  • Ricotta Cheese: Because what’s a lasagna without it?! We want to make a little different addition, but as it’s a signature taste, its there vegan-style
  • Vegan Mozzarella Cheese: Melty, stringy deliciousness – YASSS
  • Spinach: Healthy dose of leafy greens. My son absolutely LOVES IT in this soup.
  • Onion & Garlic: A flavor combo that NEVER fails, and that is an ABSOLUTE must!
  • Spices: Italian seasoning, red pepper flakes, salt, pepper – everything for our great flavorful profile!
  • Red lentils: as they cook completely by the time the pasta is ready. Other types, like brown or green lentils, won’t be cooked through.

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How To Cook Vegetarian Lasagna Soup

Now is when things become SUPER fun so LET’S START the culinary fiesta!!. Easy instructions that makes everything flow. If you think that maybe something its hard or it might seem confusing you CAN do it! Trust me! Ok?

Sauté and Sweat:

Dice the onion, garlic . Add olive oil into a pot. Ready??

Start by cooking the onions and garlic in the oil until fragrant, and those magical smells happen! This might just take a few minutes, I would give it at least 5mins so you can be sure its soft!

Tomato Time: 

Pour in the crushed tomatoes and tomato paste, add Italian seasoning, salt, and pepper. Simmer for 10 mins… this time its essential so the taste becomes full and delicious!

Broth Time:

Add the vegetable broth and then the pieces of lasagna noodle! This needs a lot of liquid so do not hesitate on broth. Stir, bring to a boil, then simmer for 15 mins or so, stirring now and then. Make sure the noodles are cooked!

Cheese Touch:

Right before serving, take out a tiny portion of the soup broth, allow it to cool, and add that mixture to your plant-based ricotta in a bowl and make a paste. Now, incorporate that ricotta in each serving bowl before serving. And add a sprinkle of vegan mozzarella. DONE!. Now the magic starts melting that deliciousness…

Garnish and Serve Vegetarian Lasagna Soup:

I love a good basil garnish!! ENJOY the AMAZING meal!!!

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Pro Tips for The Best Vegetarian Lasagna Soup

I’m dropping some extra nuggets of soup wisdom to REALLY get this to a masterpiece, ok? Ok!

Noodle Size: Small noodle pieces make it easier to eat in a soup! So dont miss that part!

Broth Balance: You may add more broth as needed. Keep an eye on achieving your favorite consistency, ok?

Spice It Up: Want MORE kick? More red pepper flakes for ya, then!!! BAM

Ricotta Secret: Pre mixing the ricotta like I told you creates a VERY even, super creamy swirl in the dish!. Try it!!! Youll love it!!

Spinach Power: Adding fresh spinach right at the end preserves color! If you over cook it becomes slimy.

Salt the water: This is a thing in my cooking school. Even for water cooking, add salt… trust me, you will not regret it!

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Vegetarian Lasagna Soup Variations

Let’s get CREATIVE, people!! Time for you to play and try things that you want for YOUR soup:

  • Spice level: It depends what is your heat tolerance, or that of your eaters… Do some variations. Kids usually go less is better for some!
  • Meat Addition: You can add vegan “meat” if needed if you are not feeling that extra veggie oomph, and that totally works for non-vegans as well!
  • Cheese variety: Experiment different types of cheese, cheddar cheese or some type of other flavors that appeal to your senses!
  • Add a sweet twist: a sprinkle of sugar during tomato part. You can add about 1 spoon, and I promise it’s delicious!

Curious about starting a vegetarian diet? This guide covers everything you need to know, from the benefits to simple meal ideas! Read more here.

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Serving & Pairing Ideas.

Here are a few great options to enjoy your Vegetarian Lasagna Soup, ok? Ready?!:

  • Garlic Bread: My husband could only think of garlic bread so, no brainer, I’m sharing with all of you too haha!
  • Crusty Bread: Simply crusty bread for an even simpler, yummy approach
  • Side salad: To add a little healthy freshness that gives extra textures and colors!

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Leftovers & Storage

  • Fridge: This keeps well in the fridge for 3-4 days, just keep in mind the noodles will absorb some broth overtime, and the consistency might change, but it will be just as yummy
  • Freezer: It freezes very well!! So go big or go home ok?? When freezing make sure that when reheating there will be more liquid needed. You’ve got this!

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Frequently Asked Questions (FAQs)

Ok people, now let’s answer some questions I usually get and help solve possible questions you might be thinking.

Can I use any type of noodle?

Yeah any type of noodle but it is IMPORTANT they must be small enough and they require a fair time to cook for this to be fully optimized!

Do I need to cook the lasagna noodles before?

Nope!! They cook directly in the soup, all part of the easy magic!!

Can I do a vegan ricotta substitution?

Cashews work well. You may see other recipes doing that version of ricotta. Be brave, experiment!

What If I don’t have all of the spices?

It’s always good to work with what we have! So add different spices or only use what you got. We want to make the whole experience FUN!

Can i make it without onions/garlic?

You can! If there are dietary restriction just remove and experiment what goes well instead.

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That’s a wrap people! Get your pots, start cooking, and I can guarantee this vegetarian lasagna soup will change the way you think about lasagna and soups. Have so much fun making this AMAZING and easy creation, and enjoy a truly delightful culinary hug! And if you DO, share the love with me!!!! Happy Soup making my people! And see you in the next post.

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Vegetarian Lasagna Soup Recipe

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  • Author: Liliya
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Total Time: 40 minutes
  • Yield: 6 servings 1x
  • Category: Dinner
  • Method: One Pot
  • Cuisine: Italian

Description

Vegetarian lasagna soup packed with lasagna noodles, rich tomato broth, creamy ricotta, and fresh herbs. Made simple and meat-free!


Ingredients

Scale
  • 8 lasagna noodles, broken into small pieces
  • 4 cups vegetable broth
  • 1 can (28 oz) crushed tomatoes
  • 2 tablespoons tomato paste
  • 1 cup vegan ricotta cheese
  • 1 cup vegan mozzarella cheese, shredded
  • 2 cups fresh spinach
  • 1 medium onion, diced
  • 3 cloves garlic, minced
  • 1 cup red lentils, rinsed
  • 1 teaspoon Italian seasoning
  • 1/4 teaspoon red pepper flakes (optional)
  • Salt and pepper, to taste
  • 1 tablespoon olive oil
  • Fresh basil, for garnish


Instructions

  1. Sauté and Sweat:
    Heat olive oil in a large pot over medium heat. Add diced onion and minced garlic. Cook for about 5 minutes, stirring occasionally, until soft and fragrant.

    sautéed-onions-with-herbs-and-spices-in-a-soup-pottomato-paste-and-seasoning-added-to-onion-mixture-for-lasagna-soup

  2. Tomato Time:
    Stir in crushed tomatoes, tomato paste, Italian seasoning, salt, and pepper. Simmer for 10 minutes to let the flavors meld.
    sautéed-onions-with-tomato-paste-for-lasagna-soupthickened-tomato-base-with-seasonings-for-lasagna-soup
  3. Broth and Noodles:
    Pour in the vegetable broth and add the broken lasagna noodles. Stir well, bring to a boil, then reduce heat to simmer for about 15 minutes, stirring occasionally, until noodles are tender.
  4. Add Lentils:
    Add the red lentils to the pot when you add the noodles. Let everything cook together until both noodles and lentils are done.

    simmering-vegetarian-lasagna-soup-with-lasagna-noodles-and-spinachvegetarian-lasagna-soup-with-parmesan-and-ricotta-topping

  5. Cheese Touch:
    Before serving, remove a small portion of the soup broth and let it cool slightly. Mix it with vegan ricotta cheese in a bowl to form a smooth paste. Add a dollop of the ricotta mixture to each serving bowl and sprinkle with vegan mozzarella cheese.

  6. Garnish and Serve:
    Top each bowl with fresh spinach (it will wilt from the heat of the soup) and garnish with basil. Serve hot and enjoy the lasagna magic in a bowl.

Notes

  • Use Gluten-Free Noodles: If you’re gluten-sensitive, swap regular lasagna noodles for gluten-free ones.
  • Add Veggies: You can add zucchini, mushrooms, or bell peppers for extra nutrition and flavor.
  • Thicker Soup: If you like a thicker consistency, let the soup simmer a bit longer or add a cornstarch slurry (1 tablespoon cornstarch + 2 tablespoons water).
  • Cheese Substitutes: Feel free to use dairy ricotta or mozzarella if you’re not vegan.
  • Leftover Noodles: Break leftover lasagna noodles into small pieces and store them for future soup batches!
  • Make-Ahead: Prepare the soup base ahead of time. Add noodles fresh when reheating to avoid sogginess.
  • Spice It Up: For more heat, increase red pepper flakes or add a pinch of cayenne.

Nutrition

  • Calories: 280 kcal
  • Sugar: 7g
  • Sodium: 600mg
  • Fat: 7g
  • Carbohydrates: 45g
  • Fiber: 8g
  • Protein: 14g

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