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Slow Cooker Lasagna Soup

Heidi Larsenby Updated: Nov 21, 2024

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This slow cooker lasagna soup is like a deconstructed lasagna made in an Italian tomato broth full of vegetables with a creamy dollop of three cheeses mixed in.

Vegetarian Crockpot Lasagna Soup | foodiecrush.com #soup #lasagna #crockpot #easy #vegetarian #healthy

This recipe is brought to you by DeLallo Foods

I’m very much into giving my favorite comfort foods a different spin to make them brand new again. Much like my taco soup, homemade Hamburger Helper, and French onion meatballs with orzo, this slow cooker lasagna soup is both comforting and nostalgic. And when it comes to lasagna, I have a couple of recipe twists on this classic Italian comfort food up my sleeve, or at least, in my recipe box. The flavors of this lasagna soup recipe are very similar to classic lasagna, just in a more slurpable form. This crockpot lasagna soup is made with some of my favorite Italian products from DeLallo, one of my long-time, most favorite partners here on the blog.

Why You’ll Love It

  • This slow cooker lasagna soup recipe is so full of flavor and tastes just like your favorite lasagna!
  • Slow cooking makes lasagna soup easy to make any night of the week, and it can be made with the slow cooker function on the Instant Pot
  • Wonderfully hearty and healthy, it’s full of veggies and is vegetarian (though can easily be made with meat)

Ingredients Vegetarian Crockpot Lasagna Soup | foodiecrush.com #soup #lasagna #crockpot #easy #vegetarian #healthy

Slow Cooker Lasagna Soup Ingredients

  • Olive oil—for sautéing the veggies (doing this before adding them to the slow cooker imparts another layer of flavor to the soup)
  • Onion—I use a yellow onion here
  • Garlic—for that classic Italian flavor
  • Mushrooms—I love mushrooms in this soup because they add a nice meaty bite (since this is a vegetarian recipe)
  • Zucchini—this is my green veg of choice (in addition to spinach) and it adds a nice texture to the soup
  • Crushed tomatoes San Marzano-style tomatoes—these are a favorite of Italian cooks everywhere. DeLallo’s San Marzano crushed tomatoes are sun-ripened Italian plum tomatoes harvested in the Naples region of Italy. Their flavor is vibrant and sweet with a tender, meaty texture that’s been crushed smooth but thick, perfect for pasta sauces, and of course, soup.
  • Tomato paste—to add a bit of bold body to the soup, I add DeLallo’s tomato paste, and all-natural double concentrate that’s extra rich and super thick in a squeeze tube so you can use a little or a lot without waste
  • Vegetable broth—I use vegetable broth here to keep this soup vegetarian, but you could use chicken broth if you’d prefer
  • Bay leaves—for a delicate herbaceous flavor
  • Dried basil and oregano—help those classic lasagna flavors shine through
  • Red pepper flakes—for just a hint of heat
  • Lasagna noodles—and of course, there’s the DeLallo lasagna noodles. Made with Italian semolina flour, these noodles cook perfectly every time, with the ridged edges capturing every bit of the soup’s broth.
  • Spinach—for color, texture, and of course, nutrition

DeLallo Lasagna noodles | foodiecrush.com

For the creamy cheese topping:

This soup gets its lasagna-esque flavors thanks to the mix of three cheeses that melt creamily into the soup for that true-blue lasagna flavor:

  • creamy ricotta
  • shredded mozzarella cheese
  • grated Parmesan cheese
  • fresh parsley and basil

Find the complete recipe with measurements below.

see more: 28 Days Of Lighter Pasta Recipes To Make Now

Ingredients Vegetarian Crockpot Lasagna Soup | foodiecrush.com #soup #lasagna #crockpot #easy #vegetarian #healthy

Tools You May Need to Make This Slow Cooker Lasagna Soup Recipe

How to Make This Slow Cooker Lasagna Soup

  • Sauté your veggies before adding them to the slow cooker. Heat the olive oil in a non-stick skillet over medium heat. Add the onion, garlic, and brown mushrooms, and cook until they begin to soften, about 4-5 minutes.  Note: If you’re short on time you can skip this step without noticing too much of a difference in flavor.
  • Slow cook and walk away! Then, add in the remaining ingredients (minus the lasagna noodles), turn on the slow cooker, and walk away. Once finished cooking, stir cooked lasagna noodles into the soup and throw in a few handfuls of spinach to wilt down.
  • Add the cheese, and serve. Stir part of the ricotta cheese mixture into the soup just before serving it, then dollop a little more onto each serving.

see more: 30 Days Of Soups, Stews, And Chilis Made To Keep Winter Warm

Vegetarian Crockpot Lasagna Soup | foodiecrush.com #soup #lasagna #crockpot #easy #vegetarian #healthy

Slow Cooker Lasagna Soup Recipe Variations

  • Add kale instead of spinach
  • Add some ground Italian sausage, ground turkey, or some white beans for protein
  • Change up your noodles (try cheese tortellini or orecchiette)
  • Zucchini or peas would be tasty additions

Storage

This slow cooker lasagna soup can be stored in an airtight container in the refrigerator for about 4 days or so. If you’d like to freeze this soup, I recommend doing so WITHOUT the noodles and cheese topping. Simply thaw the soup in the refrigerator, reheat gently on the stove, boil your noodles separately, and then top with the cheese mixture. The slow cooker lasagna soup will keep in the freezer for about 3 months.

see more: 28 Healthy Slow Cooker Soups & Stews To Make Now

Cheese mixture for Vegetarian Crockpot Lasagna Soup | foodiecrush.com #soup #lasagna #crockpot #easy #vegetarian #healthy

FAQ and Recipe Tips

  • Can I make this lasagna soup recipe without a slow cooker? Absolutely. I’d make it in a large Dutch oven, and be sure to let the soup simmer over low heat for a couple of hours to build good flavor. Then, stir in the cooked lasagna noodles as instructed. The downside to making lasagna soup on the stove is that you can’t leave the house while the soup is cooking.
  • Cook the noodles last. Avoid cooking the noodles in the crockpot with the sauce from the beginning of the cooking time. It will make the noodles absorb too much of the tomato sauce and become gummy. Instead, cook the lasagna noodles separately (undercook them slightly) and add them to the slow cooker at the end of the cooking time to flavor.
  • Try a different noodle. A few readers have also suggested using cheese tortellini instead of the lasagna noodles and ricotta mixture. If you go the tortellini route, I still recommend cooking it separately and stirring it into the soup just before serving to avoid soggy pasta.
  • Add meat or beans if you like. If you’re a meat lover, feel free to cook sliced chicken sausage, ground beef, or ground turkey separately, then add it to individual bowls for a healthier lasagna bite. Or, you could add white beans to keep this lasagna soup vegetarian while also adding some protein.

see more: 31 Days Of Healthy Comfort Food Recipes To Make Now

Vegetarian Crockpot Lasagna Soup | foodiecrush.com #soup #lasagna #crockpot #easy #vegetarian #healthy

What to Serve with Slow Cooker Lasagna Soup

If you make this recipe, please let me know! Leave a ⭐️⭐️⭐️⭐️⭐️ rating on this recipe below and leave a comment, take a photo and tag me on Instagram with #foodiecrusheats.



Vegetarian Crockpot Lasagna Soup | foodiecrush.com #soup #lasagna #crockpot #easy #vegetarian #healthy
4.59 from 68 votes

Slow Cooker Lasagna Soup (Vegetarian)

This slow cooker lasagna soup recipe is like a deconstructed lasagna made in an Italian tomato broth full of vegetables with a creamy dollop of three cheeses mixed in.
Print
Course Main Course, Soup
Cuisine Italian
Keyword crockpot, lasagna soup, slow cooker, soup
Prep Time 20 minutes
Cook Time 3 hours
Total Time 3 hours 20 minutes
Servings 8
Calories 222kcal

Ingredients 

  • 1 tablespoon extra virgin olive oil
  • 1 medium yellow onion , diced
  • 4 cloves garlic , minced or pressed
  • 2 cups brown mushrooms , sliced
  • 2 zucchinis , sliced
  • 1 28 ounce can DeLallo crushed tomatoes
  • 3 tablespoons DeLallo tomato paste
  • 4 cups vegetable broth
  • 2 bay leaves
  • 2 teaspoons dried basil
  • 2 teaspoons dried oregano
  • ⅛ teaspoon red pepper flakes
  • 2 teaspoons kosher salt
  • 2 teaspoons freshly ground black pepper
  • 6 ounces DeLallo lasagna noodles
  • 4 cups fresh spinach

For the ricotta cheese topping

  • 8 ounces ricotta cheese
  • 1 cup mozzarella cheese , shredded
  • ¼ cup parsley , chopped
  • ¼ cup fresh basil leaves , chopped
  • generous pinch of kosher salt

Instructions

For the lasagna soup:

  • Heat the olive oil in a non-stick skillet over medium heat. Add the onion, garlic, and brown mushrooms, and cook until they begin to soften, about 4-5 minutes. 
  • Add the onion mixture to the insert of a 6-quart slow cooker with the zucchini, crushed tomatoes, tomato sauce, vegetable broth, bay leaves, basil, oregano, red pepper flakes, kosher salt, and black pepper.
  • Set the slow cooker on low and cook for 7 hours or on high and cook for 3 ½ to 4 hours.
  • Once the cooking time is done, cook the lasagna noodles according to the package directions, drain, and add to the soup. Cut them into smaller pieces if you'd like.
  • Add the spinach and warm until wilted.
  • Mix in half of the ricotta cheese mixture.
  • Ladle into soup bowls and top with a dollop of the remaining ricotta cheese topping and sprinkle with more parsley and basil.

For the ricotta cheese topping:

  • Mix all ingredients together in a small bowl. Refrigerate until ready to serve.

Notes

  • Feel free to cook sliced chicken sausage separately, then add to the bowls of the meat lovers for a healthier lasagna bite.

Nutrition

Calories: 222kcal | Carbohydrates: 24g | Protein: 11g | Fat: 9g | Saturated Fat: 4g | Cholesterol: 25mg | Sodium: 1231mg | Potassium: 490mg | Fiber: 2g | Sugar: 4g | Vitamin A: 2275IU | Vitamin C: 18.4mg | Calcium: 183mg | Iron: 1.9mg

Vegetarian Crockpot Lasagna Soup | foodiecrush.com #soup #lasagna #crockpot #easy #vegetarian #healthy

More Lasagna Recipes You’ll Love

More Favorite Meals Made With DeLallo

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This recipe is sponsored by DeLallo Foods. As always, thank you for reading and supporting companies I partner with, which allows me to create more unique content and recipes for you. There are affiliate links in this post of which I receive a small commission. All opinions are always my own.

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    4.59 from 68 votes (57 ratings without comment)

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  1. Sheryl

    Question: Could I substitute either chicken broth or beef broth for the veggie broth? And, if yes, which one would you recommend? Also, I don’t have any zucchini, so what could I use to sub for it? Do you think that carrots would work? TIA!

    Reply

  2. Becca

    I made this and we loved it! However, I feel like there was not enough “soup” for us, so we will be adding more tomato paste and veggie broth to it next time to beef up the amount of “brothy soupy ness”!

    Reply

  17. Amber

    I’ve made this soup before and it is so delicious! However I am just wondering what a serving size is? The recipe says it makes 10 servings. Thank you!

    Reply

  18. Sharon

    Absolutely delish! Only change was more red pepper and fresh basil (no dried at home). The first thing my 9 year old said was “this is my new favorite food!” Definitely a keeper!

    Reply

  19. Sdi

    Love this recipe! My 16 year old vegetarian (who doesn’t really like veggies ;) and 8 year old loved it! The youngest had to draw what peace looks like in her class and said it was eating her mom’s homemade tomato soup (not really tomato soup, but high praise from someone who would eat pasta every day if I let her!.

    Reply

  20. Caitlin

    I followed this recipe exactly (except I added 500g of Quorn vegetarian “beef mince”) and it turned out phenomenal! The dollop of ricotta is a great touch and is the ultimate healthy comfort food :) Thanks for sharing!

    Reply

  21. Maria

    I made this recipe today and it was SO good! I was looking for more vegetarian slow-cooker meals and this is perfect. I ended up using three cheese tortellini instead of lasagna noodles and the cheese topping, and it was still delicious. So if, like me, you are planning to make this as a meal prep and worry about keeping up with the ricotta topping, tortellini works! Thanks for the recipe!!

    Reply

      • heather

        I was going to ask if you could substitute cheese tortellini for the noodles and cheese because I plan to make this for Christmas eve dinner and I don’t want to have to fuss when the guests arrive. And here I see you tried it! Question? When did you add the tortellini and did you use frozen or fresh? Trying to make sure I don’t end up with super soggy tortellini. THANKS!

        Reply

  22. justaguy

    i just made your Slow Cooker Vegetarian Lasagna Soup today … i’m pretty much strictly a meat lover since birth – born and raised on a ranch …but i have to tell you this was excellent and very filling ! … i recently found your site – saw this recipe and it looked so good i had to try it … sure glad i did … i made exactly to your recipe except for accidentally putting all of the basil in the soup to cook instead of the 1/4 cup fresh basil in the ricotta topping mix … (groans) … but it turned out fine anyway in spite of my best attempt to do otherwise – which i seem to do from time to time as i meander thru one recipe or another … as my name says i’m just a guy who enjoys cooking for my wife and i and whoever else happens to be around … i’m the main cook here at home … we’re california transplants from colorado … thankfully soon to move back to colorado … i love your site … i’m looking forward to trying other recipes from you …you wanna know how good i thought this recipe was ? … this is the first comment i’ve ever made on something i tried .to cook from someone else’s recipe . .thank you for sharing … talk to you again soon

    btw … we’re NASCAR fans as well … i’ve yet to make vegas but i will … i probably shouldn’t tell you who my driver is … but what the heck i can take the heat … Mr.. Harvick of course !!! … lol

    Reply

  23. Emily

    This was absolutely delicious and I’d definitely make it again. It was the first recipe we tried in our slow cooker. We’d probably leave out the cream cheese next time but otherwise make exactly as it is. Thanks for the great recipe.

    Reply

  24. Jill

    I made this today. So yummy. Will be making it again. Thanks for the great recipe. Always looking for good vegetarian recipes. Sending some back to college with my daughter

    Reply

  25. Cathy Wright

    Thank you so much for submitting this yummy recipe. I made it today and had it for my dinner. Each spoonful was a delious and satisfying pause to savor. I absolutely loved the combination of flovors. The best part is there is lots leftover so my freezer is going to be well stocked.

    Reply

  30. Autumn W

    There are two adults and one 11month old in my family , and this makes so much ( which is awesome !) so I use fusili pasta and I make it separately and add it as needed.
    This soup is so yummy,yummy,yummy !

    Reply

  31. Bandgeek77

    I made this for supper this evening. It turned out perfectly, but I forgot the spinach. It still tasted wonderful, but I will valiantly attempt to remember the spinach next time. Just a thought or two. I added the lasagna noodles an hour before it was to be done and it turned out great. No need to dirty another pot if you are available to do that. Also, I am not a vegetarian, but gave up meat for all of Lent, so I searched for veggie recipes and came up with this. That being said, I think this would taste amazing with all of the veggies and Italian sausage. I also think bowtie pasta would be a wonderful substitute for the lasagna. Either way it was delicious! Thanks for the recipe.

    Reply

  32. Stacey L

    I pinned this recipe, and then made it for dinner last night. Total winner! Super yummy, crock pot easy…thanks for such a fantastic recipe!

    Reply

  39. Patti

    I feel like I could reach in a take a bite of your soup photo. I like that you used the slow cooker, it looks delicious and satisfying on a cold winter day. Have fun skiing!

    Reply

  46. Dr. Cliff Thomas

    This design is wicked! You obviously know how to keep a reader amused.
    Between your wit and your videos, I was almost moved
    to start my own blog (well, almost…HaHa!) Fantastic job.

    I really loved what you had to say, and more than that,
    how you presented it. Too cool!

    Reply

  48. Brenda @ a farmgirl's dabbles

    Excellent! My “meaty version” of lasagna soup is definitely a family favorite. And I think most of our friends and family can say that, too! Awesome to see your version (LOVE all the veggies!)…I’ve been working on a slow cooker rendition of this soup myself this winter! ;)

    Reply

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