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Instant Pot Vegetarian Lasagna Soup

Instant Pot Vegetarian Lasagna Soup

BY: Michele
PUBLISHED: Oct 3, 2022
No Reviews
2 Comments
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This post may contain affiliate links. Please read my disclosure policy.
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Vertical pin for Instant Pot Vegetarian Lasagna Soup with white background, dark red label with white text.

If you are looking for a budget-friendly vegetarian Instant Pot Lasagna Soup, you found the right recipe.

Unlike my traditional Easy Lasagna Soup recipe, this easy Instant Pot Vegetarian Lasagna Soup uses lentils instead of ground beef and is a great vegetarian option.

Vertical photo of an overhead view of a bowl of Vegetarian Lasagna Soup with lasagna noodles, sliced cherry tomatoes, and lentils, with a grayish-beige and white striped napkin on the left and a partial view of a bowl with orange trip filled with fresh spinach in the upper right. The background is a white washed wood.

This Instant Pot lasagna soup recipe has no ricotta, making it vegetarian and vegan-friendly.

Furthermore, the Instant Pot makes this lasagna soup so easy to make and makes it so flavorful. It’s about to become your favorite soup recipe of all Soup Recipes and Instant Pot Recipes.

Jump to:
  • Why You’ll Love This Recipe
  • Why This Recipe Works
  • What You’ll Need To Make Instant Pot Lasagna Soup
  • Equipment
  • Ingredients
  • Directions
  • Recipe Tips
  • Variations
  • What To Serve With Lentil Lasagna Soup
  • FAQs
  • More Instant Pot Soup Recipes
  • Recipe
  • ⭐ Reviews
Horizontal photo of an overhead view of a bowl of Vegetarian Lasagna Soup with lasagna noodles, sliced cherry tomatoes, and lentils, with spoon on a grayish-beige and white striped napkin on the left and a partial view of a bowl with orange trip filled with fresh spinach in the upper right. The background is a white washed wood.

Why You’ll Love This Recipe

  • Comforting – I love a warm bowl of soup with comforting pasta with lasagna noodles. 
  • Delicious – This delicious soup has all the robust flavors of lasagna but in a soup form.
  • Easy – It doesn’t get any easier than making soup in an Instant Pot. After sauteing the onions, it is pretty much set it and forget it.
  • Vegetarian – Since it uses brown lentils instead of ground beef, it is a vegetarian lasagna soup.
  • Budget-Friendly – This recipe is easy on the wallet because of using lentils instead of ground beef or Italian sausage.

Why This Recipe Works

  • Tried and True – This recipe has been taste-tasted and approved by the family.
  • Step-by-Step Photos – I’ve included step-by-step photos of the recipe process to make the recipe as easy to follow as possible.
  • Video – I’ve included an easy slide show video to make the recipe as easy to follow as possible.
A vertical photo showing a side view of a heaping bowl of vegetarian lasagna soup, garnished with chopped fresh basil, strips of fresh mozzarella cheese, and crushed red pepper flakes. A blurred view on an Instant Pot pressure cooker is in the background, with a glass jar of red pepper flakes, and in front of that is a low white bowl with orange trim filled with fresh spinach. on the left is a grayish-beige napkin.

What You’ll Need To Make Instant Pot Lasagna Soup

Equipment

The affiliate links below will allow you to see the product on Amazon.com. If you purchase one of the items, I will receive a very small commission on the product, which does not increase the price.

  • Instant Pot Pressure Cooker
  • Soup Bowls
  • Ladle

Ingredients

Below I discuss the ingredients and possible substitutions in case you don’t have a specific ingredient. However, if you are looking for the specific measurements of each ingredient, be sure to scroll down to the bottom of this article, just above the comments, for the printable recipe card, which includes all the ingredients and the specific amounts of each one.

Overhead view of labeled ingredients for Instant Pot Vegetarian Lasagna Soup with navy labels and white text, on a white-gray background, with a white napkin in the upper left, and an Instant Pot pressure cooker in the upper right of the photo.
  • Oil – You can use olive oil, avocado oil, or vegetable oil.
  • Onion – I used a white onion, but you can use a sweet onion, a Vidalia onion, or a yellow onion.
  • Lentils – I used dried brown lentils for this recipe.
  • Oregano – dried oregano
  • Garlic Powder – I used garlic powder, but if you have a garlic clove or pre-minced garlic, feel free to add that to the soup.
  • Italian Seasoning – (not in photo) – This seasoning blend includes basil, oregano, rosemary, and other Italian herbs,
  • Tomatoes – I used canned diced tomatoes, but if you have fresh tomatoes, feel free to dice them and add them in.
  • Tomato Paste – You could use tomato sauce for a slightly thinner soup or substitute marinara sauce for tomatoes and tomato paste.
  • Vegetable Broth – You can use water or vegetable broth, which are vegan options, or chicken broth or chicken stock.
  • Lasagna Noodles – You’ll need to break the lasagna noodles into pieces.
  • Red Pepper Flakes – Optional – (not in photo) – If you want to add a little zesty spice, try sprinkling a few red pepper flakes, or chili flakes, in the soup.
  • Fresh Mozzarella (Optional Garnish) – I like to use fresh mozzarella cheese or parmesan cheese if you have it. However, if that is not available, you could use shredded mozzarella, or vegan cheese, if you want to make it vegan. Of course, you could omit the cheese altogether if you wish.
  • Fresh Basil – (Optional Garnish) – Add fresh basil on top as a garnish if you like.

Directions

6-photo collage showing the steps in photo of how to make Instant Pot Vegetarian Lasagna Soup
  1. Chop or dice the onion.
  2. Gather the other ingredients.
  3. Press the “Sauté” button on the Instant Pot, and add olive oil; when hot, add the diced onion and cook until the onion is translucent about 3 or 4 minutes.
  4. Press “Cancel” and, with a wooden spoon, scrape the bottom of the pot to remove any brown bits. This prevents you from receiving a “burn notice” from the Instant Pot. (Not shown in photos.) Add the rest of the ingredients, except for the fresh mozzarella.
  5. Close and lock the lid, and place the valve in the “Sealing” position. Press “Manual” or “Pressure Cook” and set the cooking time for 6 minutes on high pressure. It may take about 15 minutes before the pressure builds and before it begins pressure cooking. When pressure cooking is finished, do a quick release (release the pressure quickly.) Open the lid and stir the soup.
  6. Serve in individual soup bowls and garnish with fresh mozzarella or vegan cheese for a vegan option.
Vertical photo showing the overhead view of a white bowl of Vegetarian Lasagna Soup garnished with white fresh mozzarella, topped with chopped fresh basil, and a few crushed red pepper flakes, on a white-washed wood background, with a grayish-beige napkin with a spoon on the left, a small white bowl with orange trim filled with fresh spinach on the right, and a partial view of an Instant Pot at the top of the photo.

Recipe Tips

  • Thinner Soup – To make a thinner soup, you can use 1 cup more vegetable broth in the recipe.
  • Prevent Burn Message – After you sauté vegetables or meat in an Instant Pot, scrape the bottom of the Instant Pot with a wooden spoon. This is very important because it prevents food from sticking to the bottom of the pot and prevents receiving the Instant Pot burn message.

Variations

  • Spinach – After the lasagna has finished pressure cooking, add a dollop of ricotta cheese and 2 cups of fresh spinach leaves.
  • Ground Beef – Instead of the lentils, use a pound of ground beef.
  • Italian Sausage – Instead of lentils, use a pound of Italian Sausage. You could also do half beef and half Italian Sausage if you prefer.
Vertical photo showing a view of a white bowl of Vegetarian Lasagna Soup garnished with white fresh mozzarella, topped with chopped fresh basil, and a few crushed red pepper flakes, on a white-washed wood background, with a grayish-beige napkin with a spoon on the left, a small white bowl with orange trim filled with fresh spinach on the right, and a partial view of an Instant Pot at the top of the photo.

What To Serve With Lentil Lasagna Soup

  • Garlic Bread
  • Asiago Foccacia Bread
  • Italian Breadsticks (Copycat Olive Garden Breadsticks)
  • Chopped Vegetable Salad

FAQs

How To Store Lasagna Soup

This soup can be kept in an airtight container in the fridge for up to 5 days, It can also be frozen for up to 3 months

Can You Freeze Vegetarian Lasagna Soup

Yes, you can freeze lasagna soup. Pour the soup into a freezer-safe, air-tight container, and you can freeze it for up to 3 months.

Horizontal photo of a side view of someone holding a spoonful of lasagna soup over a white bowl with heaping vegetarian lasagna soup, with a blurred view of an Instant Pot in the background, and a beige napkin on the left, and a small bowl of fresh spinach on the right.

More Instant Pot Soup Recipes

  • Instant Pot Tomato Soup
  • Instant Pot Creamy Corn Chowder
  • Instant Pot Split Pea Soup

If you like this recipe or make this recipe, be sure to leave a comment, rate the recipe, and follow us on:

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Recipe

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Instant Pot Vegetarian Lasagna Soup Recipe

This Vegetarian Lasagna Soup is made in the Instant Pot with lentils, lasagna noodles, vegetable broth, and Italian herbs and spices, but without ricotta cheese.
Course Soup
Cuisine American, Italian
Keyword Budget-Friendly Soup, Instant Pot Lasagna Soup, Instant Pot Soup, Instant Pot Vegetarian Lasagna Soup, Lentil Lasagna Soup, Vegetarian Lasagna Soup
Prep Time 10 minutes
Cook Time 10 minutes
Total Time 20 minutes
Servings 6
Calories 264kcal
Author Michele @ Flavor Mosaic

Ingredients

  • 1 Tbsp olive oil
  • 1 onion (finely chopped)
  • ¾ cup dry brown lentil
  • 2 tbsp oregano
  • 2 tbsp garlic powder
  • 1 14-ounce can diced tomatoes
  • 1 6-ounce can tomato paste
  • 4 cups vegetable broth
  • 8 lasagna noodles (broken in small pieces)
  • Fresh mozzarella for garnish (optional)
Prevent your screen from going dark

Instructions 

  • Press the "Sauté" button on the Instant Pot, and add olive oil, when hot add the onion and cook until the onion is translucent about 3 or 4 minutes.
    1 Tbsp olive oil, 1 onion
  • Press "Cancel" and add the rest of the ingredients, except for the fresh mozzarella.
    ¾ cup dry brown lentil, 2 tbsp oregano, 2 tbsp garlic powder, 1 14-ounce can diced tomatoes, 1 6-ounce can tomato paste, 4 cups vegetable broth, 8 lasagna noodles
  • Close and lock the lid, and place the valve in the "Sealing" position. Press “Manual” or “Pressure Cook” and cook on high pressure for 6 minutes. It takes about 15 minutes before the pressure builds. When the pressure cooking is finished, do a quick release, or release the pressure quickly.
  • Open the lid and stir the soup.
  • Serve in individual soup bowls and garnish with fresh mozzarella or vegan cheese for a vegan option.

Video

Notes

  • Thinner Soup – To make a thinner soup, you can use 1 cup more vegetable broth in the recipe.
  • Prevent Burn Message – After you sauté vegetables or meat in an Instant Pot, scrape the bottom of the Instant Pot with a wooden spoon. This is very important because it prevents food from sticking to the bottom of the pot and prevents receiving the Instant Pot burn message.
  • Storing Soup. This soup can be kept in an airtight container in the fridge for up to 5 days.
  • Freezing Soup. Yes, you can freeze lasagna soup. Pour the soup into a freezer-safe, air-tight container, and you can freeze it for up to 3 months.

Nutrition

Calories: 264kcal | Carbohydrates: 49g | Protein: 12g | Fat: 3g | Saturated Fat: 0.5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Sodium: 635mg | Potassium: 391mg | Fiber: 9g | Sugar: 3g | Vitamin A: 375IU | Vitamin C: 3mg | Calcium: 61mg | Iron: 4mg

Filed Under: American, Budget-friendly, Comfort Food, Custom 3 Featured Posts, Fall Recipes, Instant Pot Recipes, Instant Pot Soups, Italian, Soup, Vegetarian

DISCLOSURE: Flavor Mosaic is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program. Please note: This blog may contain affiliate links to products I use and love. I earn a small commission, at no extra cost to you, to help with blog expenses when you make a purchase through an affiliate link. Thank you for your support!

Reader Interactions

Michele F - Owner / Founder / Creator / Blogger at Flavor Mosaic
Michele

Hi, I’m Michele Feuerborn, wife, and dog Mom, with 20+ years experience as a home cook. I’m the Founder of Flavor Mosaic, as well as the author, recipe developer, and photographer. I share fast, easy, flavorful recipes with bold flavors, featuring Instant Pot recipes and Southern and Mexican cuisines.

Comments

  1. Kristin says

    March 6, 2023 at 6:50 pm

    Awesome recipe! I used TVP instead of the lentils as this is what I had on hand. This will be in the go-to rotation for a quick weeknight meal.

    Reply
    • Michele says

      March 8, 2023 at 8:05 am

      Hi Kristin,

      I’m glad you liked the recipe. Thanks for letting us know that the recipe works well with TVP – textured vegetable protein.

      Thanks,
      Michele

      Reply

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About Me

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