Lentil Soup (Italian Vegetable)

Published October 17, 2018. Updated August 28, 2019

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Lentil Soup can come in many varieties. My favorite kind is this one, which is boasting with zesty Italian flavors and lots of fresh vegetables! It tastes a lot like minestrone, but with the addition of protein-rich lentils. In other words, it’s 100% satisfying!Β 

Lentil Soup in a gray bowl with bread on the side

The Best Lentil Soup

This vegetarian lentil soup is a must in your dinner rotation. I’ve tried many different kinds of lentil soup and this is easily the one I’d label the best!

It brimming with nutritious ingredients, it’s perfectly filling and it’s super easy to make. Plus, it’s perfectly comforting for all these cold fall days.

Even my kids love this Italian vegetable soup! We still have those dinners where it can be a struggle to get them to finish off their dinner, but no problem here! We love it with a side of buttered fresh bread or crackers.

Want to see how easy this lentil soup recipe is? Watch the video!

Lentil Soup in a large white cast iron pot

Lentil Soup Ingredients

  • Olive oil
  • Fresh veggies (carrots, onions, garlic, zucchini and kale)
  • Vegetable broth
  • Canned diced tomatoes
  • Dried brown lentils , rinsed and picked over
  • Dried herbs including basil, oregano and thyme
  • Salt and freshly ground black pepper
  • Fresh lemon juice
  • Parmesan cheese, for serving (optional)

Scroll below for printable recipe.

Ingredients needed to make lentil soup show n here including dry lentils, kale, onion, garlic, zucchini, lemon, vegetable broth, olive oil, canned tomatoes, dried herbs and parmesan.

How to Make Lentil Soup

  • Heat olive oil in a large pot over medium-high heat.
  • Add carrots and onions and saute 2 minutes then add garlic and saute 2 minutes longer.

Showing how to make lentil soup. SautΓ©ing diced carrots and onions in a cast iron pot.

  • Pour in vegetable broth and tomatoes.

pouring broth and diced tomatoes into a large pot of lentil soup

  • Add in lentils, basil, oregano, thyme and season with salt and pepper to taste.
  • Bring to a boil then reduce heat to medium-low, cover and simmer 35 minutes, stirring occasionally.

adding lentils and herbs into a pot of soup

  • Add in zucchini and kale and simmer 10 minutes longer.

zucchini and kale in a pot of lentil soup

  • Stir in lemon juice and add up to 1 cup of water to thin as needed (as the soup rests the lentils soak up more of the broth).
  • Serve warm with parmesan cheese if desired.

lentil soup full of vegetables in a large cast iron pot

Can I Make Lentil Soup in the Crock Pot?

Yes this will also work well being cooked in a Crock Pot.

  • To do so add the first 11 ingredients to a slow cooker.
  • Cook on low heat until lentils and vegetables are tender, about 7 hours.
  • Add kale and zucchini and cook 30 minutes longer.
  • Stir in lemon and serve with parmesan.

Can I Freeze Vegetarian Lentil Soup?

This soup does freeze well and reheats well. I like to freeze in individual servings and let thaw overnight in the refrigerator, then reheat for lunch the next day.

Can I Use Different Vegetables?

The other great thing about this vegetarian soup recipe is that you can add in other veggies you may have on hand. Green beans, peas, asparagus, potatoes, cabbage, broccoli, cauliflower, squash, bell pepper, fresh (seeded and peeled) tomatoes are all good options.

Use up what’s in your fridge or pantry so it doesn’t go to waste!

Lentil Soup in a white pot with a wooden spoon

Tips for the Best Lentil Soup

  • Stick with brown or green lentils or adjust the cooking time. Red lentils cook in under half the cooking time of brown and green.
  • If you don’t have have the dried herbs listed here, you could also substitute 1 Tbsp dried Italian seasoning instead of basil, oregano and thyme.
  • If you are out of vegetable broth, chicken broth will work too.
  • Don’t skip the lemon. Even though it’s a small amount it adds a nice hint of brightness.

Lenti Soup shown here in an individual serving in a grey bowl set over a grey plate with a second serving in the background

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Lentil Soup in a large white cast iron pot
4.96 from 124 votes

Lentil Soup (Italian Vegetable)

This is the best lentil soup plus prep is quick and it's so easy to make! It's packed with fresh veggies, zesty Italian flavors and plenty of protein rich lentils. A filling comforting soup perfect for serving any day of the year!
Servings: 6
Prep10 minutes
Cook1 hour
Ready in: 1 hour 10 minutes

Ingredients

Instructions

  • Heat olive oil in a large pot over medium-high heat.Β 
  • Add carrots and onions and saute 2 minutes then add garlic and saute 2 minutes longer.Β 
  • Pour in vegetable broth and tomatoes. Add in lentils, basil, oregano, thyme and season with salt and pepper to taste.Β 
  • Bring to a boil then reduce heat to medium-low, cover and simmer 35 minutes, stirring occasionally.Β 
  • Add in zucchini and kale and simmer 10 minutes longer, if using spinach wait to add it until the last 2 minutes.Β 
  • Stir in lemon juice and add up to 1 cup of water to thin as needed (as the soup rests the lentils soak up more of the broth).Β 
  • Serve warm with parmesan cheese if desired.

Notes

  • Stick with brown or green lentils or adjust the cooking time. Red lentils cook in over half the cooking time of brown and green.
  • If you don't have have the dried herbs listed here, you could also substitute 1 Tbsp dried Italian seasoning instead of basil, oregano and thyme.
  • If you are out of vegetable broth, chicken broth will work too.
  • Don't skip the lemon. Even though it's a small amount it adds a nice hint of brightness.
Recipe source: inspired by my Minestrone andΒ Yummy Mummy Kitchen
Nutrition Facts
Lentil Soup (Italian Vegetable)
Amount Per Serving
Calories 300 Calories from Fat 54
% Daily Value*
Fat 6g9%
Sodium 1323mg58%
Potassium 1252mg36%
Carbohydrates 50g17%
Fiber 16g67%
Sugar 13g14%
Protein 15g30%
Vitamin A 10765IU215%
Vitamin C 79.9mg97%
Calcium 168mg17%
Iron 6.1mg34%
* Percent Daily Values are based on a 2000 calorie diet.
Nutrition values are estimates only. See full disclaimer here.

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293 Comments

  • Lauren Kepler

    My new favorite! This turned out sooo yummy! I swapped out a few of the spices for things like turmeric and I forget what else. Instead of zucchini (because I forgot to get them!) I had mini potatoes, and I used fire roasted tomatoes instead of regular canned tomatoes.

  • Terri

    I’m making this recipe today, I’m curious to see how it is with the lentils! My go-to recipe for minestrone soup also has vinegar added at the end, and you use lemon juice; I’m curious just what the acid does, and if any type could be substituted by preference? BTW, when I tried my minestrone without the vinegar, it really didn’t taste quite right. Just curious what the science is!

    • Jaclyn

      Jaclyn Bell

      The lemon juice is just for flavor, and I’d stick with the lemon juice here. I hope you love this lentil version Terri!

  • Nicole

    I just made this for dinner and it was sensational! Did need around triple the amount of broth/water. Thanks!

  • Rachel

    This looks so yummy and nutritious! Any idea how well this recipe keeps in the freezer? Hoping to add it to my frozen meal stockpile for postpartum. Thanks!

    • Jaclyn

      Jaclyn Bell

      I haven’t tried with this one yet but it should freeze okay. I hope you love it Rachel!

  • Bertha

    They look delicious, I am going to try them this week but my only question is that lentils take some time to cook, how long did you cook them??

    • Jaclyn

      Jaclyn Bell

      Just as long as listed in the recipe – it will be about 45 mins

  • Kayla

    Made this soup tonight and it was just perfect! I’m from Australia so it’s just starting to cool down here, a welcome change. Have to admit I almost never cook a dish without meat but this soup does not need it at all, the lentils were delicious! Thanks for sharing, lots of your recipes look great, I’ve made the creamy chicken noodle soup lots and everyone always loves it :)

  • Simone

    Can i use canned lentils and how should i adjust the process? Thanks!

    • Jaclyn

      Jaclyn Bell

      I’ve never cooked with canned lentils but that should be just fine. I imagine they are similar to canned beans and are fully cooked through so I’d wait to add them until near the end and just let them warm through.

  • Debbie Bickerstaff

    I’ve turned this into a crockpot recipe and added the spinach at the end! It was great!

    • Jaclyn

      Jaclyn Bell

      I’ll have to try it in a slow cooker next time! I’m glad you liked it Debbie!