Lentil and Vegetable Soup

Featured in: Kitchen Routine Meals

This warming one-pot combines protein-rich green lentils with a colorful medley of roasted carrots, celery, zucchini, bell peppers, and cherry tomatoes. The vegetables develop deep, caramelized flavors in the oven before simmering with aromatics like onion, garlic, thyme, oregano, and smoked paprika.

The result is a thick, nourishing soup that's naturally vegetarian, vegan, and gluten-free. Each serving delivers 13 grams of protein and satisfies for hours. Customize with your favorite seasonal vegetables or add tomato paste for extra richness.

Updated on Wed, 28 Jan 2026 08:44:00 GMT
A close-up of steaming Lentil and Vegetable Soup in a rustic bowl, garnished with fresh parsley and lemon wedges.  Save
A close-up of steaming Lentil and Vegetable Soup in a rustic bowl, garnished with fresh parsley and lemon wedges. | maisonflavors.com

The first time I made this soup, it was supposed to be a quick dinner using whatever was lingering in my crisper drawer. But something magical happened when those roasted vegetables hit the simmering lentils. My kitchen filled with such incredible aromas that my roommate wandered in, bowl in hand, before I even called them to the table. Now whenever gray weather settles in, this is the pot I reach for first.

Last winter, I made a double batch for my friend who was recovering from surgery. She sent me a text two days later saying the soup had become her lunch and dinner for three days straight, and she actually looked forward to each bowl more than the last. There is something deeply satisfying about cooking food that truly nourishes people.

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Ingredients

  • 1 cup dried green or brown lentils, rinsed: I have learned that red lentils turn to mush here, so stick with the hearty varieties that hold their shape through simmering
  • 2 medium carrots, peeled and diced: Roasting brings out their natural sweetness in a way boiling never could
  • 2 celery stalks, diced: Do not skip these, they provide that essential savory backbone
  • 1 medium zucchini, diced: They become creamy and tender in the oven
  • 1 red bell pepper, diced: Adds such gorgeous color and a subtle sweetness
  • 1 medium yellow onion, chopped: Foundation flavors start here
  • 3 cloves garlic, minced: Fresh garlic makes all the difference, do not use the jarred stuff
  • 1 cup cherry tomatoes, halved: These roast down into little flavor bombs that burst in your mouth
  • 2 tablespoons olive oil: One for roasting, one for sautéing
  • 6 cups vegetable broth: Homemade is lovely, but a good quality store bought works perfectly fine
  • 1 teaspoon dried thyme: Earthy and warm
  • 1 teaspoon dried oregano: Brings that classic herb garden note
  • 1 teaspoon smoked paprika: This is the secret ingredient that makes people ask what is in this soup
  • 1 bay leaf: Gentle background flavor
  • Salt and freshly ground black pepper: Taste as you go, the lentils need proper seasoning
  • 2 tablespoons chopped fresh parsley (optional): Adds a fresh pop of color and brightness
  • Juice of ½ lemon (optional): Just a squeeze wakes everything up beautifully

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Instructions

Get your oven going:
Preheat to 425°F and position a rack in the middle while you gather your vegetables
Roast the vegetables:
Toss carrots, celery, zucchini, bell pepper, and cherry tomatoes with 1 tablespoon olive oil, salt, and pepper until coated, then spread on a baking sheet and roast for 20 minutes until lightly caramelized and fragrant
Build the base:
Heat remaining olive oil in a large pot over medium heat, add onion and sauté for 4 minutes until softened, then add garlic and cook for just 1 minute until fragrant
Bring it all together:
Stir in rinsed lentils, those beautiful roasted vegetables, broth, thyme, oregano, smoked paprika, and bay leaf, then bring to a boil
Let it simmer:
Reduce heat and simmer uncovered for 25 minutes until lentils are tender but still holding their shape
Finish with love:
Remove the bay leaf, taste and adjust seasoning with salt, pepper, and lemon juice if desired, then serve hot topped with fresh parsley
Hearty Lentil and Vegetable Soup simmering in a pot, featuring roasted carrots and zucchini over a creamy lentil base.  Save
Hearty Lentil and Vegetable Soup simmering in a pot, featuring roasted carrots and zucchini over a creamy lentil base. | maisonflavors.com

My dad claimed he did not like lentil soup until he tried this version. He sat at my kitchen table working his way through a bowl, occasionally saying things like, the texture is perfect or, what did you put in this. When he asked for the recipe, I knew I had finally cracked the code.

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Making It Your Own

This soup is incredibly forgiving. I have added handfuls of spinach in the final minutes, stirred in a bit of coconut milk for creaminess, and even bulked it up with small pasta shapes. The roasting technique is what really makes it special though, so do not skip that step.

Serving Suggestions

A slice of crusty bread is non negotiable in my house. Something about dunking a chewy, toasted piece into the broth just completes the experience. A simple green salad with bright vinaigrette cuts through the richness nicely.

Storage and Meal Prep

This soup keeps beautifully in the refrigerator for up to five days and freezes for months. I actually prefer it on day two or three, once the flavors have had time to really get to know each other. When reheating, add a splash of water or broth if it has thickened up too much.

  • Freeze in individual portions for quick weekday lunches
  • The lentils will continue absorbing liquid, so keep extra broth on hand
  • Let it cool completely before storing to prevent condensation
A vibrant bowl of Lentil and Vegetable Soup topped with fresh herbs, served beside crusty bread for dipping. Save
A vibrant bowl of Lentil and Vegetable Soup topped with fresh herbs, served beside crusty bread for dipping. | maisonflavors.com

There is quiet comfort in a pot of soup bubbling away on the stove, something ancient and nourishing about the whole process. I hope this recipe finds its way into your regular rotation too.

Questions & Answers for Recipes

Can I use canned lentils instead of dried?

Yes, you can substitute canned lentils. Rinse and drain them, then add during the last 10 minutes of simmering just to heat through. Reduce the broth by about 1 cup since canned lentils don't absorb liquid like dried ones do.

How long does this soup keep in the refrigerator?

Store cooled soup in an airtight container for up to 4-5 days. The flavors actually improve over time. Reheat gently on the stovetop, adding a splash of water or broth if it has thickened too much.

Can I freeze this soup?

Absolutely. Portion cooled soup into freezer-safe containers, leaving some space for expansion. It freezes well for up to 3 months. Thaw overnight in the refrigerator before reheating.

What can I serve with this soup?

Crusty bread, garlic knots, or warm crackers make excellent accompaniments. A simple green salad with vinaigrette adds freshness. For more protein, top with grated Parmesan or serve alongside a grilled cheese sandwich.

Do I have to roast the vegetables first?

Roasting enhances the sweetness and depth of the vegetables, but you can skip this step for a quicker version. Simply sauté all vegetables in the pot with the onions before adding lentils and broth. The soup will still be delicious, though slightly less complex in flavor.

Which lentils work best?

Green or brown lentils hold their shape well during simmering, making them ideal. Red lentils will break down more, creating a thicker, creamier texture. Avoid using French Puy lentils as they require longer cooking times.

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Lentil and Vegetable Soup

Hearty soup with tender lentils and roasted vegetables in flavorful vegetable broth

Prep Time
15 mins
Time for Cooking
45 mins
Overall Time Needed
60 mins
Created by Lindsey Brooks


Skill Level Easy

Cuisine International

Servings Produced 4 Portions

Diet Preferences Plant-Based, Milk-Free, No Gluten

What You'll Need

Lentils

01 1 cup dried green or brown lentils, rinsed

Vegetables

01 2 medium carrots, peeled and diced
02 2 celery stalks, diced
03 1 medium zucchini, diced
04 1 red bell pepper, diced
05 1 medium yellow onion, chopped
06 3 cloves garlic, minced
07 1 cup cherry tomatoes, halved
08 2 tablespoons olive oil

Broth and Seasoning

01 6 cups vegetable broth
02 1 teaspoon dried thyme
03 1 teaspoon dried oregano
04 1 teaspoon smoked paprika
05 1 bay leaf
06 Salt and freshly ground black pepper to taste

Finishing

01 2 tablespoons fresh parsley, chopped
02 Juice of ½ lemon

Directions

Step 01

Preheat oven: Preheat oven to 425°F

Step 02

Roast vegetables: Toss carrots, celery, zucchini, bell pepper, and cherry tomatoes with 1 tablespoon olive oil, salt, and pepper. Spread on a baking sheet and roast for 20 minutes until lightly caramelized

Step 03

Sauté aromatics: Heat the remaining 1 tablespoon olive oil in a large pot over medium heat. Add onion and sauté for 4 minutes until softened. Add garlic and cook for 1 minute

Step 04

Build soup base: Stir in the rinsed lentils, roasted vegetables, vegetable broth, thyme, oregano, smoked paprika, and bay leaf. Bring to a boil, then reduce heat and simmer uncovered for 25 minutes until lentils are tender

Step 05

Finish and season: Remove bay leaf. Taste and adjust seasoning with salt, pepper, and lemon juice as desired

Step 06

Serve: Serve hot, garnished with fresh parsley

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Equipment Needed

  • Large soup pot
  • Baking sheet
  • Chef's knife
  • Cutting board
  • Wooden spoon

Allergy Info

Please check every ingredient for allergens and reach out to a healthcare pro if unsure.
  • Contains no major allergens. Always check broth and packaged lentils for potential cross-contamination if you have severe allergies

Nutrition Details (each serving)

These numbers are estimates for reference and not a replacement for health advice.
  • Energy: 265
  • Fats: 6 g
  • Carbohydrates: 41 g
  • Proteins: 13 g

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