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    Home » Family Style Dinners

    Easy Vegetarian One Pot Lasagna Soup

    Published: Mar 15, 2022 » Modified: Mar 15, 2022 » By: Kylie » This post may contain affiliate links. » 15 Comments

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    This one-pot vegetarian lasagna soup combines all the rich, creamy texture of lasagna with the warming comfort of a hearty bowl of soup. It's also quick and easy to get on the dinner table, AND it all comes together in one pot! This could very well be the most perfect cold-weather meal.

    Large white bowl filled with vegetarian lasagna soup garnished with ricotta and Parmesan cheeses
    Table of Contents show
    You Will Love This
    Ingredients and Substitutions
    Instructions
    Tips
    Variations
    FAQ
    Storage and Reheating
    Family Favorite Soups
    Recipe
    Vegetarian Lasagna Soup

    You Will Love This

    • It’s quick and easy! This vegetarian lasagna soup is ready in about 30 minutes or less, and as you know, I love love love a dinner that comes together all in one pot! Not only is it simple to prepare, but it also makes cleanup that much easier too.
    • It’s totally vegetarian but also SO filling! Creamy cheeses combined with pasta make this soup not only comforting but wonderfully filling. If you’re trying to introduce more meatless meals, this is one that will keep everyone full and happy. Soup is one of my daughter's favorite foods so I'm always looking for new ways to reinvent our family's favorites in soup form and this one was a big hit!
    • It’s Sunday night dinner material! As simple and easy as it is, this soup feels incredibly indulgent as well. The combination of Italian herbs, canned tomatoes, pesto, and al dente noodles topped with ricotta and Parmesan, will give you all the feels of a delicious Italian family dinner. Serve with crusty bread and a good glass of full-bodied red wine for a Sunday night dinner that will make you want to linger at the table a little longer.
    • If you need more lasagna dinners be sure to check out my:
      • Lazy Ravioli Lasagna
      • Creamy Feta Mediterranean Lasagna
      • No Boil Lasagna
    White marble counter top with bowls of ingredients to make lasagna soup

    Ingredients and Substitutions

    • Onion & Garlic - I use white or yellow onion and fresh garlic. If you don’t have fresh garlic, you can substitute with ½ teaspoon of garlic powder or more to taste. 
    • Italian Seasoning - Italian seasoning is the typical herb blend used for Italian dishes and can be substituted with dried oregano, dried thyme, and dried sage. 
    • Tomato Paste - Tomato paste helps to deepen the flavor of the soup.
    • Basil Pesto - There are so many delicious flavors in pesto and it’s just a fantastic addition to any dish - especially those with pasta! You can get your favorite pesto from the grocery store, or take a few minutes to make your own with my recipe (it’s so fresh!).
    • Uncooked Red Lentils - Red lentils cook perfectly in this recipe. Brown or green lentils aren't going to be able to cook through all the way before the pasta is done.
    • Fire Roasted Crushed Tomatoes - Fire roasted are best because they add that delicious smoky flavor that just takes this dish to another level. 
    • Veggie Broth - Veggie broth keeps this soup meatless and doesn’t overpower any of the other flavors. You can use chicken broth instead if you're not worried about keeping this vegetarian.
    • Lasagna Noodles - Lasagna noodles are the obvious choice for this lasagna soup, but you can substitute with any short noodle you like.
    • Parmesan Cheese - If you have a few extra minutes, grate your own Parmesan. Pre-grated cheeses contain preservatives designed to keep them from clumping together in their packages. Those same preservatives, however, mean the cheese doesn’t melt together as smoothly as you'll want it to. For the best texture, get a wedge of Parmesan and grate it at home!
    • Mozzarella Cheese - I prefer whole milk mozzarella for the best flavor and texture, but part-skin will work as well.
    • Whole Milk Ricotta Cheese - As with most cheeses, I like to get the whole milk option. Part-skim will work but it won't have as much flavor.

    Instructions

    Sauté onions in olive oil in a Dutch oven. Add garlic and dried herbs and cook for another minute.

    Large white pot with sautéed onions minced garlic and dried herbs

    Add tomato paste to the pot and stir to combine.

    Large white pot filled with sautéed onions and tomato paste

    Cook for about 2 minutes or until the tomato paste turns brick red.

    Large white pot filled with sautéed onions and tomato paste

    Deglaze the pot with a splash of veggie broth.

    Large white pot filled with sautéed onions and tomato paste

    Add pesto and lentils.

    Large white pot filled with sautéed onions, tomato paste, and lentils

    Then add crushed tomatoes. 

    Large pot with ingredients to make lasagna soup

    Add remaining veggie broth and bring to a gentle simmer.

    Large pot with ingredients to make lasagna soup

    Stir in uncooked lasagna. And simmer for about 12-15 minutes or until the pasta is cooked al dente.

    Large pot with ingredients to make lasagna soup

    Stir occasionally while it's simmering so that the noodles and lentils don't stick to the bottom of the pan.

    Large pot with ingredients to make lasagna soup

    Remove from heat and add spinach.

    Large pot with ingredients to make lasagna soup

    Stir until spinach wilts. Season to taste with Kosher salt and black pepper.

    Large pot filled with homemade one pot lasagna soup

    Add Parmesan, ricotta, and mozzarella to the top of the soup.

    Large pot filled with homemade one pot lasagna soup

    Cover with the lid for a few minutes so the cheese melts. Or garnish each bowl individually with the cheeses and fresh chopped parsley.

    Large pot filled with homemade one pot lasagna soup

    Tips

    • Can’t find crushed tomatoes? No problem. You can use tomato puree, canned tomato sauce, or jarred spaghetti sauce instead - the soup will just have a smoother consistency. Alternately, you can get a can of whole, peeled tomatoes and crush them yourself for a more chunky tomato texture in your soup!
    • You can use whatever kind of pasta you have on hand for this creamy vegetarian lasagna soup. I like to use broken lasagna noodles, but bowties (or farfalle) penne, rotini, rigatoni, or even macaroni would work well in this recipe!
    • Any sturdy green will work. You can easily swap out the spinach for another sturdy green like chopped kale. I sometimes like to use Swiss chard, mustard greens, or collard greens. I have even used arugula in a pinch, which added a little bit of a peppery flavor! Use whatever you've got in the fridge. And because it's going to wilt anyway, you can use greens that are slightly past their prime!

    Variations

    Feel free to switch up this lasagna to include your favorite ingredients. Some of our favorite variations include:

    • ground beef, ground turkey, or Italian sausage for some extra protein
    • fresh basil, fresh parsley, or other fresh herbs
    • sliced mushrooms or zucchini
    • red pepper flakes
    Large white bowl filled with vegetarian lasagna soup garnished with ricotta and Parmesan cheeses

    FAQ

    What is lasagna soup made of?

    Lasagna soup has all the elements of traditional lasagna like lasagna noodles, mozzarella cheese, Parmesan cheese, Italian seasoning, and a tomato sauce base. Those ingredients are then combined with veggie broth, and other ingredients like lentils and pesto to make a hearty vegetarian soup.

    Does ricotta melt in soup?

    Yes! Ricotta cheese is a soft cheese so it will get melty in warm soup which makes it perfect for this tasty lasagna soup!

    What are mini lasagna noodles called?

    Mini lasagna noodles are called Mafalda noodles and have rippled edges just like regular lasagna noodles. You can use mini lasagna noodles or break up the regular lasagna noodles into smaller pieces for this soup.

    Storage and Reheating

    • Storage: Store lasagna soup leftovers in airtight containers in the fridge for 2-3 days.
    • Reheating: The best way to reheat this lasagna soup is in a pot on the stovetop over medium heat. You may need to add a bit of broth to loosen it up a bit. You can also pop it in the microwave for 30-60 seconds at a time until warmed through. Season to taste with salt and pepper before serving!

    Family Favorite Soups

    • One Pot Chicken Dumpling Soup (with refrigerated biscuit dough!)
    • One-Pot Macaroni Cheeseburger Soup - NO VELVEETA!
    • Creamy Vegan Instant Pot Lentil Soup
    • 30 Minute One Pot Creamy Vegan Mushroom Soup

    Questions?
    Leave a comment below!
    Liked the recipe?
    Leave a comment below!
    Made this dish?
    Leave a comment and star rating below!

    Print

    Recipe

    Vegetarian Lasagna Soup

    Print Recipe
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    ★★★★★

    4.8 from 5 reviews

    This Vegetarian Lasagna Soup combines all the rich, creamy texture of lasagna with the warming comfort of a hearty bowl of soup. It's also quick and easy to get on the dinner table, AND it all comes together in one pot! This could very well be the most perfect winter meal.

    • Author: Kylie
    • Prep Time: 5 minutes
    • Cook Time: 25 minutes
    • Total Time: 30 minutes
    • Yield: 8 servings 1x
    • Category: Main Dish
    • Method: Stove Top
    • Cuisine: Italian/American
    • Diet: Vegetarian

    Ingredients

    Scale
    • 1 tablespoon olive oil
    • 1 yellow onion, diced
    • 6 cloves garlic, thinly sliced
    • 1.5 tablespoons Italian seasoning
    • 2 tablespoons tomato paste
    • ½ cup basil pesto
    • ½ cup uncooked split red lentils
    • 2 (28 oz.) cans fire roasted crushed tomatoes
    • 4 cups vegetable broth
    • 1-2 teaspoons granulated sugar, optional
    • 8 uncooked lasagna noodles, broken into bite sized pieces
    • 2-3 cups chopped fresh baby spinach, optional
    • ½ cup Parmesan cheese
    • ½ cup shredded mozzarella cheese
    • 1 cup whole milk ricotta cheese
    • fresh chopped parsley for garnish
    • Kosher salt
    • fresh cracked pepper

    Instructions

    1. Heat olive oil in a large pot over medium-high heat.
    2. Add onion along with a pinch of salt and pepper. Sauté, stirring frequently for 3 minutes.
    3. Reduce heat to medium, add garlic, Italian seasoning, and a couple pinches of salt and pepper. Sauté for another minute.
    4. Add tomato paste to the pot and stir to combine. Cook for about 2 minutes or until the tomato paste turns brick red.
    5. Deglaze the pot with a splash of veggie broth. 
    6. Add pesto, lentils, crushed tomatoes, and remaining vegetable broth, along with a couple large pinches of salt and pepper. 
    7. Turn heat up to medium-high, and bring to a gentle simmer. Stir occasionally as it comes to a simmer so that the lentils don't stick to the bottom of the pan.
    8. Stir in uncooked lasagna. Then reduce heat to low or medium-low and gently simmer for about 12-15 minutes or until the pasta is cooked al dente. Stir occasionally while it's simmering so that the noodles and lentils don't stick to the bottom of the pan.
    9. Remove from heat and stir in spinach until it wilts. Season to taste with salt and pepper.
    10. Top the soup (or individual bowls) with Parmesan cheese, mozzarella cheese, and a dollop of ricotta. Put the lid back on the soup for a few minutes to allow the cheese to melt. Garnish with parsley and enjoy!

    Equipment

    measuring cup

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    Image of large pot

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    Notes

    • Can’t find crushed tomatoes? No problem. You can use tomato puree, canned tomato sauce, or jarred spaghetti sauce instead - the soup will just have a smoother consistency. Alternately, you can get a can of whole, peeled tomatoes and crush them yourself for a more chunky tomato texture in your soup!
    • You can use whatever kind of pasta you have on hand for this creamy vegetarian lasagna soup. I like to use broken lasagna noodles, but bowties (or farfalle) penne, rotini, rigatoni, or even macaroni would work well in this recipe!
    • Any sturdy green will work. You can easily swap out the spinach for another sturdy green like chopped kale. I sometimes like to use Swiss chard, mustard greens, or collard greens. I have even used arugula in a pinch, which added a little bit of a peppery flavor! Use whatever you've got in the fridge. And because it's going to wilt anyway, you can use greens that are slightly past their prime!

    Nutrition

    • Serving Size:
    • Calories: 285
    • Sugar: 3.9 g
    • Sodium: 468.4 mg
    • Fat: 12.1 g
    • Saturated Fat: 4 g
    • Carbohydrates: 31.2 g
    • Fiber: 4.5 g
    • Protein: 12.6 g
    • Cholesterol: 16.5 mg

    Keywords: one pot lasagna soup, lasagna soup recipe, easy lasagna soup

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    Reader Interactions

    Comments

    1. Mallory

      May 21, 2023 at 7:37 am

      Is there a way to cook this in the crockpot that you’d recommend? 🙂

      Thanks!

      Reply
      • Kylie

        May 21, 2023 at 9:56 am

        Hmmm this might be a tricky one to cook in the crock pot. You certainly could give it a try but I'm not sure what the cook times would be. I'd love to hear how it goes if you give it a try!

        Reply
    2. kelly

      April 30, 2023 at 1:56 pm

      loved this recipe! thanks for a filling and delicious vegetarian one pot soup!!

      ★★★★★

      Reply
    3. Mary Kay

      April 26, 2023 at 12:07 pm

      Have you ever tried to freeze this soup to keep on hand later?

      Reply
      • Kylie

        April 26, 2023 at 1:49 pm

        I have not! I'm not sure how the noodles would do freezing in the broth and then thawing. I fear that they may end up a bit mushy 🙁

        Reply
    4. Faith

      March 06, 2023 at 3:48 pm

      Hello! Does the 2 cans (28 oz) mean 2 28oz cans or a total of 28 oz?

      Reply
      • Kylie

        March 06, 2023 at 7:52 pm

        Hi Faith! It means 2 cans of tomatoes that are 28 oz. each 🙂 Hope that clears it up!

        Reply
    5. Katrina

      November 29, 2022 at 6:58 pm

      So delicious. I love how easy it was to throw this together after work. Thank you for such a yummy recipe!

      ★★★★★

      Reply
    6. Phillip Grover

      June 04, 2022 at 1:46 pm

      What weight do you mean by 8 noodles?

      Lasagna noodles vary in thickness and weight in various brands. Some 1 pound boxes I have bought contain 12 noodles, others have 16 noodles. The difference is the thickness, and slightly different length and width.One cooking website says 1 pound of lasagna is 10 noodles! I imagine some brands have a different count.

      Reply
      • Kylie

        June 04, 2022 at 2:11 pm

        That's true! But don't overthink it, Phillip! Most packages of lasagna noodles are 16 oz. and are the same general shape and size, so 8 noodles will be about 8 ounces of pasta. This recipe is super forgiving though so if you add a bit less or a bit more it will still turn out delicious!

        Reply
    7. Luke

      March 15, 2022 at 10:03 am

      Such a delicious quick and easy recipe! We've made this with all kinds of noodles and it always turns out great!

      ★★★★★

      Reply
    8. Joe

      March 04, 2021 at 7:40 am

      Hearty and tasty, which is always a concern I have with vegetarian recipes. I tasted it before adding the cheese and cream and liked it that way too, if you added beans ar that point you'd have a good minestrone.

      ★★★★

      Reply
      • Kylie

        March 04, 2021 at 10:05 am

        I am so glad that you enjoyed this soup, Joe! I love a good minestrone too - might have to add my family recipe to the blog at some point 🙂 Thanks for leaving a review - I really appreciate it!

        Reply
    9. Juliette

      October 31, 2020 at 2:19 pm

      I gave this a try and it was outstanding! So good. Also, looking forward to tomorrow's income report! My favorite posts 🙂

      ★★★★★

      Reply
      • Kylie Lato

        November 01, 2020 at 10:55 am

        I am so glad that you enjoyed this recipe, Juliette! Thank you for leaving a review! My October income report will be posted in just a few minutes 🙂

        Reply

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    HELLO FROM THE MIDWEST - I'm Kylie and as a mom and blogger, I understand how hard it can be to get a wholesome dinner on the table at the end of a long day. Here at Midwest Foodie, I focus on sharing simple recipes that make it easy to feed your family real food.

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