15-Minute Lentil Soup (2024)

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Thanks to canned lentils, this healthy, hearty soup comes together super fast.

By

Martha Stewart

15-Minute Lentil Soup (1)

Martha Stewart

Martha Stewart is a bestselling author, entrepreneur, and lifestyle expert who has taught millions of people through generations the joy of entertaining, cooking, gardening, collecting, crafting, and home renovating via her eponymous magazine, Martha Stewart Living, Emmy-winning television shows, and 99 books (and counting). Based in Katonah, N.Y., where she helms her 156-acre Bedford Farm, Martha is America's first self-made female billionaire.

Editorial Guidelines

Updated on June 16, 2023

Need lentil soup for one? Allow us to suggest this super fast recipe for a "can"-do dinner. It uses canned lentils and store-bought vegetable or chicken broth—that's why it's so fast. The recipe starts with gently cooking finely chopped onion, carrot, and celery; this is called a mirepoix or aromatic base. The vegetables are cooked until soft, just like they are in a big-batch lentil soup. Then, the stock is poured into the pot and simmered briefly to develop the flavor before canned lentils are added. This is when the soup is ready for its final ingredient—a little red wine vinegar brings it all together.

For a healthy, delicious, quick, and easy meal for one, you really can't beat this comforting recipe. Serve with plenty of crusty bread for dipping.

15-Minute Lentil Soup (2)

Tips for Making the Best Lentil Soup

Finishing Touches

Here's what to serve with lentil soup—or what to add to each bowl to make it a little more elevated. Pick your favorites and be sure to add them to the grocery list when you're ready to shop.

  • Top with grated Parmesan
  • Top with chopped fresh herbs, such as parsley or chives
  • Top with crispy bacon
  • Stir in a handful of baby spinach (just before the vinegar)
  • Serve a hunk of your favorite cheese, such as Cheddar or an aged Gouda, on the side
  • Serve with crusty bread, like a baguette, for dunking
  • Serve with soup crackers
  • Serve with cornbread

Before you get started, it's necessary to rinse and drain your canned lentils—don't skip this step.

Ingredients

  • 1 teaspoon extra-virgin olive oil

  • ½ small onion, finely chopped

  • 1 carrot, finely chopped

  • 1 celery stalk, finely chopped

  • 1 garlic clove, minced

  • Coarse salt and ground pepper

  • 14 ½ ounces low-sodium vegetable or chicken broth

  • ¾ cup cooked lentils (from a 15-ounce can), rinsed and drained

  • 2 teaspoons red-wine vinegar

Directions

15-Minute Lentil Soup (3)

  1. Cook vegetables:

    In a medium saucepan, heat oil over medium heat. Add onion, carrot, celery, and garlic; season with salt and pepper and cook, stirring occasionally, until onion softens, 3 to 5 minutes.

    15-Minute Lentil Soup (4)

  2. Add broth and cook:

    Add broth, bring to a boil, and cook 5 minutes.

    15-Minute Lentil Soup (5)

  3. Add lentils and cook:

    Add lentils and cook until soup thickens slightly, 3 to 5 minutes. Stir in vinegar and season with salt and pepper.

    15-Minute Lentil Soup (6)

15-Minute Lentil Soup (7)

Warm Lentil Salad with Poached Eggs

Frequently Asked Questions

Can you overcook lentils in soup?

Yes, you can overcook lentils; they will become mushy. Much depends on the type of lentil you're using. Some cook quicker and hold their shape better than others. To avoid overcooking them, always follow the cooking directions in your recipe and use the type of lentils called for in the ingredient list.

Why does my lentil soup taste bland?

Lentils have a relatively mild taste and take well to seasonings. 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.

Other Quick Soup Recipes to Try:

  • Late-Summer Vegetable Soup
  • Tortellini Soup with Peas and Spinach
  • Easy Chicken Noodle Soup
  • Smoky Black-Bean Soup with Sausage
  • Stracciatella with Brown Rice

Originally appeared: Everyday Food, October 2009

Updated by

Victoria Spencer

15-Minute Lentil Soup (8)

Victoria Spencer

Victoria Spencer is an experienced food editor, writer, and recipe developer. She manages the Martha Stewart recipe archive and is always curious about new ingredients and the best techniques. She has been working in food media for over 20 years.

15-Minute Lentil Soup (2024)

FAQs

Is lentil soup really good for you? ›

If you're wondering if lentil soup is good for you, the answer is yes! Lentils are nutritious, rich in minerals, protein, low in fat, high in fibre (digestive health). They are a terrific vegetarian source of protein with 25% of the calories in lentils attributable to protein.

Why does my stomach hurt after eating lentils? ›

Lentils contain lysine, which is an essential amino acid.

Furthermore, experts confirm that very high doses of lysine might produce stomach discomfort and diarrhea.

Why is my lentil soup tasteless? ›

Why does my lentil soup taste bland? Lentils have a relatively mild taste and take well to seasonings. 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.

Should lentils be soaked before making soup? ›

The other good news: Lentils don't need to soak as beans do (though you do need to sort and rinse them before cooking). Different types of lentils cook in different amounts of time. Red lentils are the fastest cooking and they dissolve as they cook and make for a smooth soup.

What if I eat lentil soup every day? ›

Eating more lentils may help people maintain a healthy weight or lose weight. Replacing energy-dense (or high calorie) foods with legumes such as lentils can help people prevent or manage obesity and lose weight. Research suggests that regularly eating lentils may help with the management and prevention of diabetes.

Which color lentil is healthiest? ›

Black Lentils (Beluga lentils)

Thanks to the robust flavor, these lentils pair well with meaty veggies and marinated proteins like mushrooms, tofu, and seitan. Best of all, black lentils are the most nutritious variety of lentils, boasting the highest amount of protein, plus high levels of calcium, potassium, and iron.

Who should avoid lentils? ›

Due to their high fiber content, people with certain digestive disorders may need to limit or avoid eating lentils. Over half of their content is carbohydrates, so lentils are not considered keto-friendly.

Are lentils inflammatory? ›

Overall, lentils are a highly nutritious food with various health benefits, including anti-inflammatory and antimicrobial effects. The fiber and protein content in lentils make them beneficial for weight management, blood sugar regulation, and supporting overall gut health.

Are lentils carbs or protein? ›

Lentils are high in fibre, and complex carbohydrates, while low in fat and calories. Their high protein content makes lentils a perfect option for those looking to boost their protein intake. They are naturally gluten-free, making them a delicious staple in a gluten-free kitchen.

Can you overcook lentils in soup? ›

This time, it turned out mushy and there wasn't a whole lentil to be found. Damn it! I figured out later that it spent about 2.5 hours too long in the slow cooker (a little miscalculation on my part). If you're like me and have overcooked Lentil Soup then you're in luck because I'm going to show you how to revive it.

How do you thicken lentil soup? ›

Add Flour Or Cornstarch

You can thicken soup by adding flour, cornstarch, or another starchy substitute. For the best results, never add flour or cornstarch directly to your soup. If you do, it will clump up on top. Instead, ladle a small amount of broth into a separate bowl and let it cool.

Do you throw out water after soaking lentils? ›

Rules for soaking

*Soak grain and pulses for 2-4 hours at room temperature. *If you are soaking whole grains and legumes, soak for 8-10 hours. *Never discard water from soaking. Utilise it for nutrient benefit.

Why is my lentil soup dark brown? ›

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.

What happens if you don't soak lentils before cooking? ›

The process of soaking removes the gas-causing elements from the lentils. While legumes contain complex oligosaccharides, a type of complex sugar responsible for bloating and gas. Post-soaking the complex sugar is remarkably reduced thereby easing gas troubles.

Which is healthier pea soup or lentil soup? ›

Split peas have 17 grams of protein, compared to lentils' 19 grams of protein. Both of these foods are high in fiber, which promotes good digestive health and cholesterol control. Peas have 6 grams of fiber, less than the almost 9 grams provided by lentils.

Does lentil soup spike blood sugar? ›

Pulse consumption has been shown to confer beneficial effects on blood glucose and insulin levels. Lentil consumption, in particular, consistently lowers acute blood glucose and insulin response when compared to starchy control foods.

Are lentils a carb or protein? ›

Lentils are high in fibre, and complex carbohydrates, while low in fat and calories. Their high protein content makes lentils a perfect option for those looking to boost their protein intake. They are naturally gluten-free, making them a delicious staple in a gluten-free kitchen.

How long does it take to digest lentil soup? ›

The digestion of different grains and carbohydrates again takes longer than processing fruit and vegetables. Grains like brown rice, buckwheat and oats can take approximately an hour and a half to exit your stomach, whereas legumes like chickpeas, lentils, beans etc. take even more – around two hours.

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