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Kale Lentil Soup

By Deryn Macey

5 from 3 votes

on May 19, 2021, Updated Aug 22, 2024

This simple kale lentil soup with Brussels sprouts is easy to make in about 30 minutes, satisfying and so nutritious! You’ll love this soup for a quick meal that stores well for healthy meals all week.

The soup is vegan, gluten-free, oil-free and low in fat. It provides 11 grams of protein per serving and plenty of fiber too.

It’s easy to make with a few veggies and pantry staple ingredients, plus you can customize it with any veggies you have on hand.

Lentils are one of my favourite ingredients for soups. You can also try them in this Sweet Potato Lentil Soup, Vegan Lemon Lentil Soup and Vegan Red Lentil Tomato Soup.

Ingredient Notes

This list is not complete. Please see the recipe card at the end of the post for the complete ingredient list with measurements and detailed instructions.

• Flavour Basics: Onion, garlic, carrot and celery are key for adding an amazing flavour base to the soup along with plenty of nutrition.
• Brussels Sprouts: This soup is a great way to include this nutritious veggie in your diet but if you don’t have any on hand, you can skip them or swap them for another veggie of choice.
• Broth: Any homemade or store-bought carton or cubed vegetable broth works.
• Diced Tomatoes: Any kind works but I love fire-roasted for the most flavour!
• Lentils: Use uncooked red lentils. You can use green lentils if you like but they’ll require a longer cooking time.
• Kale: Use any variety of fresh kale. Spinach works too!

Step-by-Step Instructions

• Step 1: Add the carrot, onion, celery, garlic and Brussels spouts to a large soup pot with a couple tablespoons of water or broth. Saute them for 6-7. minutes until softened.
• Step 2: Add the spices and cook for a few more minutes.

• Step 3: Add the broth, diced tomatoes and lentils and simmer for 15-20 minutes uncovered until the lentils are soft.
• Step 4: Stir in the chopped kale and enjoy!

Notes & Tips

• The soup is quite thick as written, almost like a stew. If you’d like it to be a bit thinner, add up to 2 cups extra vegetable broth at the end, to your preference.
• Red lentils can be substituted with green lentils or quinoa. The cooking time will be a bit shorter for quinoa and a bit longer for green lentils.

Storing

• Let cool before storing.
• Store in a sealed container in the fridge for up to 5 days.
• Freeze in a freezer-safe container or freezer bag for up to 3 months.
• Thaw overnight in the fridge if frozen.
• Reheat as needed on the stovetop or in the microwave. The soup will thicken after storing but can be thinned by stirring in additional broth or water, if desired.

More Healthy Soups

Here are some more delicious soups you’ll love:

• Butternut Squash Lentil Soup
• Cauliflower Potato Soup with Peas
• Slow Cooker Butternut Squash Soup
• Vegan Tomato Soup
• Hearty Vegan Vegetable Barley Soup

Did you try this recipe? I’d love to hear about it! Scroll down to comment section below to leave your star rating and review.

⭐⭐⭐⭐⭐

5 from 3 votes

Kale Lentil Soup

By: Deryn Macey

This hearty soup is low in fat but high in protein and fibre and packed with nutrients. It’s easy to make in under 30 minutes, full of flavour and keeps well so you can enjoy it for healthy meals all week.

Prep: 10 minutes mins

Cook: 25 minutes mins

Total: 35 minutes mins

Servings: 6 large servings

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Ingredients 

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• ▢ 1 white onion, diced (300 g, about 2 cups)
• ▢ 3 cloves garlic, minced
• ▢ 2 ribs celery, chopped (140 g)
• ▢ 1 large carrot, chopped (170 g)
• ▢ 2 cups quartered brussel sprouts, stems removed (200 g)
• ▢ 2 tsp chili powder
• ▢ 2 tsp cumin
• ▢ 1 tsp coriander
• ▢ 1/2 tsp paprika
• ▢ 1/2 tsp chili flakes, omit if sensitive to spice
• ▢ 7 cups vegetable broth, 1750 mL
• ▢ 1 28 oz. can diced tomatoes
• ▢ 1 cup uncooked red lentils, 175 g
• ▢ 4 cups de-stemmed and finely chopped kale, 160 g, 1 large bunch

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Instructions 

• Add the onion, garlic, carrot, celery and brussel sprouts to a pot with 2-3 tbsp water or broth. Cook over medium heat for 5-10 minutes until softened and fragrant, stirring often.
• Stir in the spices and cook for 2-3 more minutes. If the pot starts to dry out, add another 1-2 tbsp broth or water.
• Add the broth, diced tomatoes and lentils and simmer for 15-20 minutes uncovered until the lentils are soft.
• Turn off the heat and stir in the chopped kale. Let it sit for a few minutes until the kale is mixed in. Season with salt and pepper, if needed, and serve right away.

Notes

• This soup will continue to thicken after it sits a day or two and the lentils soak up more of the liquid. You can add more water or broth to adjust the consistency or just enjoy it as a stew.
• Let cool then store in a sealed container in the fridge for up to 5 days or freeze for up to 3 months.

Nutrition

Serving: 1/6th of recipe, Calories: 164kcal, Carbohydrates: 31g, Protein: 11g, Fat: 1g, Fiber: 12g

Like this recipe? Rate and comment below!

Originally published December 27, 2017.