Tomato Lentil Soup

Featured in: Simple Weeknight Meals

This vibrant Mediterranean-style soup combines a tangy tomato base with hearty lentils for a protein-packed, satisfying meal. The combination of diced tomatoes, tomato paste, and aromatic spices like cumin and smoked paprika creates depth, while carrots, celery, and onion provide classic mirepoix flavor. In just 50 minutes, you'll have four generous servings of this vegan, gluten-free soup that's perfect for meal prep or freezing. Adjust the texture by blending partially for creaminess or leave rustic for chunky goodness. Finish with fresh lemon juice to brighten all the flavors.

Updated on Wed, 28 Jan 2026 14:34:00 GMT
Fork-tender lentils and diced tomatoes simmer in a savory, steamy broth inside a large pot. Save to Pinterest
Fork-tender lentils and diced tomatoes simmer in a savory, steamy broth inside a large pot. | primespatula.com

The tomato lentil soup in my kitchen happened on one of those damp autumn evenings when the windows steamed over and the house needed something warming. Outside, leaves were turning gold as I stirred this simple pot of comfort together, improvising with pantry staples and whatever vegetables looked promising. The tangy brightness of tomatoes against earthy lentils created such a perfect balance that it quickly became my go-to for both casual weeknights and those times when my soul needed nourishment as much as my body.

Last winter during that awful cold snap, I made this soup three times in two weeks for different neighbors. The first time was for the elderly couple next door who couldnt get out to shop, then for my friend whod just had surgery, and finally for the new parents down the street who looked like they hadnt slept in days. Each time I delivered it, the steam would rise from the container like a promise of better things to come, and watching their faces light up made me realize food really is the most direct language of care we have.

Ingredients

  • Brown or green lentils: These little powerhouses hold their shape beautifully in the soup, creating that perfect balance between hearty texture and creamy background.
  • Smoked paprika: After forgetting it once and noticing the difference immediately, I now consider this the secret ingredient that gives the soup its distinctive warmth and depth.
  • Canned diced tomatoes: The juice they come packed in contributes so much flavor that I always tip the entire can in, watching the broth transform to a gorgeous sunset orange.
  • Lemon juice: A last-minute squeeze brightens everything up, cutting through the richness and making all the flavors suddenly pop in a way that feels like turning up the volume on a favorite song.
  • Fresh parsley: While technically optional, these little green flecks add a fresh, grassy contrast that makes each spoonful more interesting and complete.

Instructions

Product image
Easily open jars, bottles, and cans while cooking, making meal prep smoother and less frustrating.
Check price on Amazon
Build the aromatic foundation:
Heat that olive oil until it shimmers, then add your diced onion, carrots, and celery. You should hear a gentle sizzle as they hit the pan, releasing that wonderful aroma that signals good things are about to happen.
Bloom the spices:
When you add the garlic, tomato paste, cumin, and smoked paprika, youll notice the pot filling with the most incredible fragrance. Give everything a good stir so the spices toast slightly and their flavors intensify.
Bring it all together:
As you pour in the tomatoes and broth, scrape the bottom of the pot to release any browned bits those are pure flavor treasures. The lentils will look so tiny going in, but watch how they transform the soup as they cook.
Simmer patiently:
This is where magic happens as the lentils soften and the flavors meld together. Your kitchen will fill with a warm, inviting aroma that makes waiting the hardest part.
Finish with brightness:
The lemon juice at the end isnt just an afterthought its the key that unlocks all the flavors. Take a taste before and after adding it, and youll see exactly what I mean.
Product image
Easily open jars, bottles, and cans while cooking, making meal prep smoother and less frustrating.
Check price on Amazon
A vibrant bowl of Tomato Lentil Soup garnished with fresh parsley and a lemon wedge. Save to Pinterest
A vibrant bowl of Tomato Lentil Soup garnished with fresh parsley and a lemon wedge. | primespatula.com

Last December, during that week between Christmas and New Years when time seems to stand still, I found myself making this soup while my house was full of visiting family. My normally boisterous uncle, who usually dominates every conversation, fell completely silent after his first spoonful, then looked up with such genuine surprise that everyone laughed. Later he quietly asked for the recipe, and now he sends me photos whenever he makes it back home in Cincinnati, each picture showing his bowl in different seasons, like a culinary calendar marking our connection across the miles.

Serving Suggestions

Through many iterations of this soup, Ive discovered that serving it with a substantial piece of crusty bread transforms it from a light meal to something that can satisfy the hungriest appetite. Sometimes I toast the bread with a little olive oil and rub it with a raw garlic clove for an impromptu garlic bread that pairs perfectly with the tangy tomato broth, creating that satisfying moment when the bread soaks up just enough liquid without falling apart in your hands.

Storage Tips

After making this soup countless times, Ive learned that storing it in wide, shallow containers helps it cool quickly and evenly, preventing that slightly off flavor that can develop when hot soup sits too long. The first time I brought this to a potluck in one of those glass rectangular containers instead of my usual deep storage bowl, everyone commented on how much more vibrant the flavors seemed, which made me realize proper cooling and storage isnt just about food safety but flavor preservation too.

Adaptations and Variations

Playing with this recipe over the seasons has taught me it can evolve with whatever your garden or farmers market offers. In summer, I often add diced zucchini during the last five minutes of cooking, while winter versions might include a handful of chopped kale or spinach for added nutrition and color.

  • For a protein boost, stir in a cup of cooked quinoa just before serving, which adds a lovely nutty flavor and interesting texture.
  • If youre feeding spice lovers, a diced jalapeño added with the other vegetables creates a gentle heat that builds with each spoonful.
  • During tomato season, replace half the canned tomatoes with two cups of fresh, diced ripe tomatoes for a brighter, more garden-fresh flavor profile.
Product image
Season soups, salads, meats, and vegetables evenly while cooking with quick, one-handed grinding.
Check price on Amazon
Diced carrots and celery add texture to this hearty, protein-packed vegan dinner ready to serve. Save to Pinterest
Diced carrots and celery add texture to this hearty, protein-packed vegan dinner ready to serve. | primespatula.com

This tomato lentil soup has traveled with me through different homes, relationships, and seasons of life, always offering the same comfort no matter what changes around it. In its simplicity, it reminds me that sometimes the most nurturing things are also the most straightforward.

Recipe FAQs

Can I use red lentils instead of brown or green?

Yes, red lentils work beautifully and cook faster. Reduce simmer time to about 20 minutes since red lentils break down more quickly, creating a thicker, creamier consistency.

How long does this soup keep in the refrigerator?

This soup stores well for 4-5 days in an airtight container in the refrigerator. The flavors actually develop and deepen over time, making it excellent for meal prep.

Can I freeze this lentil soup?

Absolutely. This soup freezes beautifully for up to 3 months. Cool completely before transferring to freezer-safe containers, leaving some space for expansion. Thaw overnight in the refrigerator.

What's the best way to achieve a smoother texture?

Use an immersion blender to puree about half the soup directly in the pot, leaving some lentils and vegetables whole for texture. Alternatively, transfer portions to a countertop blender and blend until smooth.

Can I add other vegetables to this soup?

Certainly. Spinach, kale, or Swiss chard added during the last 5 minutes of cooking wilt beautifully. Diced potatoes, bell peppers, or zucchini can be added with the carrots for extra heartiness.

What can I serve with this soup?

Crusty bread, warm pita, or garlic toast are perfect for dipping. A side salad with vinaigrette complements the richness, or top with a dollop of dairy-free yogurt for extra creaminess.

Tomato Lentil Soup

Vibrant tomato broth with protein-rich lentils creates this wholesome, nourishing bowl ready in 50 minutes.

Prep Time
15 mins
Time to Cook
35 mins
Overall Time
50 mins
By Prime Spatula Oliver Reed


Skill Level Easy

Cuisine Mediterranean

Makes 4 Portions

Diet Preferences Plant-Based, No Dairy, No Gluten

What You'll Need

Vegetables

01 1 medium onion, finely chopped
02 2 medium carrots, diced
03 2 celery stalks, diced
04 3 garlic cloves, minced
05 1 (14 oz) can diced tomatoes
06 1 tablespoon tomato paste

Lentils

01 1 cup dried brown or green lentils, rinsed

Liquids

01 5 cups vegetable broth
02 1 tablespoon olive oil

Spices & Seasonings

01 1 teaspoon ground cumin
02 1 teaspoon smoked paprika
03 1/2 teaspoon dried thyme
04 1/2 teaspoon ground black pepper
05 1 teaspoon salt, or to taste
06 1 bay leaf

Finishing Touches

01 2 tablespoons chopped fresh parsley, optional
02 Juice of 1/2 lemon

Directions

Step 01

Sauté Aromatics: Heat olive oil in a large pot over medium heat. Add onion, carrots, and celery. Sauté for 5 minutes until softened.

Step 02

Bloom Garlic: Stir in the minced garlic and cook for 1 minute until fragrant.

Step 03

Toast Spices: Add tomato paste, cumin, smoked paprika, thyme, and black pepper. Stir constantly for 1 minute to release aromatic oils.

Step 04

Combine Base Ingredients: Add diced tomatoes with juice, lentils, vegetable broth, bay leaf, and salt. Stir well and bring to a boil over medium-high heat.

Step 05

Simmer Until Tender: Reduce heat to low, cover with a lid, and simmer for 30 minutes until lentils are tender and fully cooked.

Step 06

Finish and Season: Remove bay leaf. Stir in lemon juice and adjust seasoning to taste with additional salt and pepper as needed.

Step 07

Serve: Ladle into bowls and garnish with fresh parsley if desired.

What You’ll Need

  • Large soup pot with lid
  • Cutting board
  • Chef's knife
  • Wooden spoon
  • Ladle
  • Immersion blender (optional)

Allergy Info

Double-check ingredients for allergens, and consult your doctor if you’re unsure.
  • All primary ingredients are naturally free from common allergens; however, always verify broth and canned goods for potential cross-contamination.

Nutrition Info (per portion)

Nutrition info is for general reference only and isn’t a substitute for professional advice.
  • Calories: 220
  • Fats: 3 g
  • Carbohydrates: 38 g
  • Proteins: 12 g