Slow-Cooker Moroccan-Spiced Lentil Soup Recipe on Food52 (2024)

Slow Cooker

by: Food52

November6,2018

4

24 Ratings

  • Cook time 8 hours 30 minutes
  • Serves 8

Jump to Recipe

Author Notes

A long cooking time allows the spices to work their way into the lentils and vegetables, creating a fragrant soup. If you make it ahead, the flavors will have more time to develop.

Excerpted from EatingWell Soups © 2018 Meredith Corporation. Photography © 2018 by Meredith Corporation. Reproduced by permission of Houghton Mifflin Harcourt. All rights reserved. —Food52

Test Kitchen Notes

Featured in: . —The Editors

  • Test Kitchen-Approved

What You'll Need

Ingredients
  • 2 cupschopped onions
  • 2 cupschopped carrots
  • 4 cloves garlic, minced
  • 2 teaspoonsextra-virgin olive oil
  • 1 teaspoonground cumin
  • 1 teaspoonground coriander
  • 1 teaspoonground turmeric
  • 1/4 teaspoonground cinnamon
  • 1/4 teaspoonground pepper
  • 6 cupsvegetable broth
  • 2 cupswater
  • 3 cupschopped cauliflower
  • 1 3/4 cupsFrench green lentils or brown lentils
  • 1 (28-ounce) can diced tomatoes
  • 2 tablespoonstomato paste
  • 4 cupschopped fresh spinach or 10 ounces frozen chopped spinach, thawed
  • 1/2 cupchopped fresh cilantro
  • 2 tablespoonslemon juice
Directions
  1. Combine onions, carrots, garlic, oil, cumin, coriander, turmeric, cinnamon and pepper in a 5- to 6-quart slow cooker. Add broth, water, cauliflower, lentils, tomatoes and tomato paste and stir until well combined.
  2. Cover and cook until the lentils are tender, 4 to 5 hours on High or 8 to 10 hours on Low.
  3. Add spinach to the slow cooker. Stir, cover and cook on High for 30 minutes.
  4. Just before serving, stir in cilantro and lemon juice.

Tags:

  • Soup
  • Moroccan
  • Lentil
  • Slow Cooker
  • Vegetarian
  • Dinner
  • Lunch

See what other Food52ers are saying.

  • Greg Crawford

  • Elizabeth Traverso

  • Fern

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9 Reviews

Made as is but, didn't add the water. Added twice the spices, not cinnamon. No salt was needed. Didn't add the spinach, no room in the crockpot. Added 1/2 of a large zucchini. Flavor was really good!

Greg C. February 25, 2022

What a flavor bomb. And healthy too! I wouldn't change anything. I could see how maybe sauteeing the onion and garlic and roasting the cauli before might intensify the flavors but honestly, I felt there was enough flavor there. And really easy to put together. I love recipes like this that have the flexibility to dial up or down the seasonings. Added a dash of red pepper flakes to my bowl and loved the extra kick.

Marcene A. January 14, 2022

This is absolutely one of my all-time favorite soups! I followed the directions and found them to be totally perfect! I served this for a small dinner party, and everyone really enjoyed it. This and a serving of rosemary focaccia bread with fresh fruit for dessert made a healthy, fun meal! Thanks for posting this!

Elizabeth T. December 15, 2020

So I made this and was not thrilled so I tweaked it and now it is a favorite. I have an All Clad slowcooker so the insert comes out. I placed the onions and carrots and sautéed them for 15 minutes. I then added the minced garlic and all the spices which I aded much more of except the cinnamon. I also added 3/4 teaspoon of Haressa. While this was going on I roasted the cauliflower at 400 in the oven with olive oil and salt and pepper. I added the diced tomatoes, the tomato paste and only chicken stock, no water. I let it come to a simmer and then added Umbrian Lentils as that is all I had. I then added the crisp roasted cauliflower and gave a good mix. I seasoned it with a bit more salt and fresh ground pepper and placed it in the slow cooker for 8 hours on low then I added some spinach, baby kale and torn mint leaves and let cook for 30 more minutes. I let it cool and had it for lunch today and it was spectacular. It is well worth investing time in the vegetables and spices.

andrea S. November 13, 2021

Thanks for commenting with the great additions & changes. I also have a slow cooker with insert, and I took yours & tweaked it with great success!

jgagen1 July 12, 2020

Pretty bland, even after doubling the spices.

meme S. October 13, 2019

Have made this healthy and easy soup several times. My mother used to add to her lentil soups some yeast so I added 2 cups of beer au lieu of water, also more spiced to give the soup the true Moroccan taste. So I, too increased all the dry spices by 1/ 1/2 times. Thank you for this wonderful and flavorful soup!

I'm rating it 5*

Fern January 26, 2020

I wish I'd read this before I made it; found it to be lacking in flavor as written. Also found it to be quite thin.

Anna November 14, 2018

This was really good, but on the second time around I would up the amount of spices. I could taste them, but not as strongly as I would have liked. Otherwise, nice and healthy recipe!

Slow-Cooker Moroccan-Spiced Lentil Soup Recipe on Food52 (2024)

FAQs

Do I have to cook lentils before adding to soup? ›

Do you cook lentils before adding to soup? Nope! Dried lentils cook in 35 minutes in the soup, and there's no need to soak them either!

Why is my lentil soup not thick? ›

Cook It Longer

Sometimes soup just needs to simmer longer to reach the perfect consistency. Check to see if the vegetables are tender, and then taste the broth. If the soup tastes a bit watery, give it more time.

Do lentils soak up broth? ›

Lentils aren't rice—they don't need to absorb every last drop of cooking liquid. They're more like pasta: best cooked in an abundance of water or stock. Bring your liquid up to a boil, add your lentils, then turn down your heat to a simmer for at least 25-30 minutes.

What happens if I don't rinse lentils? ›

While it seems like an unnecessary step, don't skip rinsing your lentils and sifting through them before cooking to remove any stones or debris. It is rare to find stones, but it does happen.

Which color lentils are best for soup? ›

Red lentils are best for soups, curries, dals, and anything that craves a creamy, thicker, more comforting touch.

Why is my lentil soup tasteless? ›

To avoid a bland lentil soup, use a flavorful broth—whether that's homemade or store-bought chicken or vegetable broth. The other key is building flavor. To do so, use aromatics like onions and garlic, include fresh or dried herbs, and season well with salt and pepper.

Can you overcook lentils in soup? ›

Yes, cooking lentils for too long will cause them to become mushy. Cooking them at a rapid boil will also cause them to get mushy. Simmer them slowly to keep them intact.

Why won't my lentils soften in soup? ›

Try buying the freshest lot. Soak them for longer, 6 — 8 hrs or overnight. Try pressure cooking. Add a pich of baking soda while boiling the lentils.

Why did my lentil soup turn black? ›

the color change you've observed is from oxidation. If you want to prevent this, lay some plastic wrap over the surface of your lentils to prevent air from getting to them, or add some acid, like lime juice, to the recipe.

Why did my lentil soup turn brown? ›

As the veggies hit the boiling water, volatile acids are released into the water and are carried away in the steam. When the pot is covered, the steam and the acids it contains are forced back into the water. Once there, the acids react with the chlorophyll in the vegetables, turning them an unsightly shade of brown.

Do you simmer lentils covered or uncovered? ›

Cook your lentils uncovered on low heat for 20-45 minutes (based on the variety) to plump them up while avoiding split skins and mushy results. Add more liquid as needed until the lentils are done. A good ratio to start with is 1 cup of lentils to 2½ cups of liquid.

Do I need to pre cook lentils? ›

Nope! Unlike lots of other dried pulses (such as some dried beans), lentils don't need to be soaked before cooking. This means they're really quick and easy to use – you can decide you want to cook lentils when you're already ready to start cooking, and they can be ready to eat not long after.

Do I need to soak lentils before cooking them? ›

Lentils to do not require soaking like other pulses. Rinse your lentils with fresh water before boiling to remove any dust or debris. Cook on a stovetop, using 3 cups of liquid (water, stock, etc) to 1 cup of dry lentils. Be sure to use a large enough saucepan as the lentils will double or triple in size.

What happens if you don't cook lentils all the way? ›

In addition, undercooked lentils stay with lectin, an ingredient that may cause stomach problems like diarrhea or even food poisoning.

Do lentils have to be fully cooked? ›

Honestly, the best way to tell if lentils are done are to taste them. They should be tender to the bite, with some varieties of lentils being a bit more firm and others more soft. That said, if you would like your lentils to be softer, just simmer them a few minutes longer until they reaches your desired consistency.

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