Hearty Kale Bean Soup

Featured in: Plum-Soft Cozy Dinners

This comforting soup combines nutrient-dense kale with tender root vegetables and creamy cannellini beans. Ready in under an hour, it delivers a wholesome, protein-rich meal that's naturally gluten-free and vegetarian.

The combination of thyme and cumin adds earthy depth, while a touch of lemon juice brightens the flavors. Perfect for meal prep, this soup actually tastes better the next day as the meld flavors develop.

Updated on Wed, 28 Jan 2026 12:49:00 GMT
Hearty kale soup with tender root vegetables and creamy white beans served in a rustic bowl. Pin it
Hearty kale soup with tender root vegetables and creamy white beans served in a rustic bowl. | plumclover.com

The first time I made this kale soup, it was one of those grey February afternoons where the kitchen feels like the only warm place in the world. I had a massive bunch of kale from my farmers' market run that was starting to look a little sad, and something about chopping those dark leaves felt almost meditative. Now this soup has become my go-to when I need something that feels like a hug in a bowl but still leaves me feeling light and energized afterward.

Last winter my neighbor came over unexpectedly while I had a batch simmering on the stove. She ended up staying for two hours, bowl in hand, talking about everything and nothing while the snow fell outside. Thats the magic of this soup somehow it makes people linger.

Ingredients

  • 2 tablespoons olive oil: The foundation that carries all those warm spices through the soup
  • 1 large onion, finely chopped: Takes on this beautiful sweetness as it cooks down
  • 2 garlic cloves, minced: Add them right after the onion so they bloom without burning
  • 3 medium carrots, diced: They become tender little nuggets of sweetness
  • 2 celery stalks, diced: Essential for that classic soup base flavor
  • 1 large potato, peeled and diced: Makes the soup feel substantial without being heavy
  • 6 cups kale, stems removed and leaves chopped: The star that holds everything together
  • 1 can (15 oz) cannellini beans, drained and rinsed: Creamy little protein bombs that melt into the broth
  • 6 cups low-sodium vegetable broth: Lets you control the salt level completely
  • 1 tablespoon lemon juice: Wakes up all the flavors right at the end
  • 1 teaspoon dried thyme: Earthy and comforting, like a cozy sweater
  • 1/2 teaspoon ground cumin: Just enough warmth to make things interesting
  • Salt and freshly ground black pepper: Trust your palate here
  • Pinch of red pepper flakes: Totally optional, but I love that gentle heat

Instructions

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Build your foundation:
Heat that olive oil in a large pot over medium heat, then add your chopped onion. Let it cook for about 3 minutes until it goes from sharp and opaque to soft and translucent.
Add the aromatic vegetables:
Stir in the garlic, carrots, celery, and potato. Cook for 5 minutes, stirring occasionally youll notice the kitchen starting to smell amazing.
Wilt the kale:
Add all those chopped kale leaves and watch them collapse into something manageable. Just 2 minutes of sautéing takes away that raw bitterness.
Create the broth:
Pour in your vegetable broth and add the thyme, cumin, salt, pepper, and red pepper flakes if youre using them. The kitchen will smell like pure comfort now.
Let it simmer:
Bring everything to a boil, then drop the heat to low and let it simmer uncovered for 20 minutes. Youll know its done when the potatoes are tender enough to break apart with your spoon.
Add the beans:
Stir in those creamy cannellini beans and let everything hang out together for 5 more minutes. They should be heated through but still holding their shape.
Finish with brightness:
Squeeze in that tablespoon of lemon juice, taste everything, and adjust your seasonings. The acid at the end makes all the flavors pop.
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My sister texted me at midnight once after eating this soup, demanding the recipe because she couldnt stop thinking about it. Something about the combination of earthy kale and creamy beans just sticks with people.

Make It Your Own

Sometimes Ill swap in sweet potatoes instead of regular ones when I want something slightly sweeter, and honestly it might be even better that way. The orange color against the dark green kale is gorgeous too.

Serving Suggestions

A slice of crusty bread for dipping is practically mandatory, though I know the glutenfree version stands perfectly on its own. I love how substantial it feels without that heavy post-soup slump.

Storage And Meal Prep

This soup freezes beautifully, which is why I always make a double batch. Those nights when I dont want to cook, pulling a container from the freezer feels like giving myself a gift.

  • Let it cool completely before freezing to prevent ice crystals
  • It keeps in the fridge for up to 5 days and actually tastes better on day 3
  • Reheat gently over mediumlow heat, adding a splash of water if needed
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Steaming bowl of kale soup garnished with fresh thyme and lemon juice, perfect for a cozy dinner. Pin it
Steaming bowl of kale soup garnished with fresh thyme and lemon juice, perfect for a cozy dinner. | plumclover.com

Theres something so reassuring about a pot of soup simmering on the stove, and this one never lets me down.

Recipe FAQ

Can I freeze this soup?

Yes, this soup freezes beautifully. Cool completely before transferring to airtight containers. It will keep for up to 3 months in the freezer. Thaw overnight in the refrigerator and reheat gently on the stovetet.

What other greens work well?

Swiss chard, spinach, or collard greens make excellent substitutes. Add delicate greens like spinach in the last 5 minutes of cooking to prevent wilting too much.

How can I add more protein?

Stir in diced cooked chicken during the last 5 minutes, add extra beans, or serve with a sprinkle of hemp seeds or nutritional yeast for a plant-based protein boost.

Can I make this in a slow cooker?

Absolutely. Sauté the onion, garlic, and vegetables first, then transfer everything to your slow cooker. Cook on low for 4-6 hours or high for 2-3 hours until vegetables are tender.

What if I don't have cannellini beans?

Great northern beans, navy beans, chickpeas, or green lentils all work wonderfully. Each brings slightly different texture and flavor while maintaining the soup's hearty character.

How can I make this soup creamier?

Blend a portion of the soup before adding the beans, or stir in a splash of coconut milk or puréed white beans for extra creaminess without dairy.

Hearty Kale Bean Soup

Nourishing soup packed with kale, vegetables, and protein-rich beans for a satisfying meal.

Time to Prepare
15 minutes
Time to Cook
35 minutes
Overall Time
50 minutes
Recipe by Joshua Barnes


Skill Level Easy

Cuisine Type International

Portions 4 Serving Size

Dietary notes Plant-based, No Dairy, Without Gluten

What You Need

Vegetables

01 2 tablespoons olive oil
02 1 large onion, finely chopped
03 2 garlic cloves, minced
04 3 medium carrots, diced
05 2 celery stalks, diced
06 1 large potato, peeled and diced
07 6 cups fresh kale, stems removed and leaves chopped

Legumes

01 1 can (15 ounces) cannellini beans, drained and rinsed

Liquids

01 6 cups low-sodium vegetable broth
02 1 tablespoon fresh lemon juice

Spices and Seasonings

01 1 teaspoon dried thyme
02 1/2 teaspoon ground cumin
03 Salt and freshly ground black pepper to taste
04 Pinch of red pepper flakes, optional

How-To Steps

Step 01

Sauté aromatics: Heat olive oil in a large soup pot over medium heat. Add chopped onion and cook for 3 minutes until translucent.

Step 02

Build vegetable base: Stir in minced garlic, diced carrots, diced celery, and diced potato. Cook for 5 minutes, stirring occasionally.

Step 03

Wilt kale: Add chopped kale to the pot and sauté for 2 minutes until slightly wilted.

Step 04

Combine broth and seasonings: Pour in vegetable broth and add thyme, cumin, salt, pepper, and red pepper flakes if using.

Step 05

Simmer vegetables: Bring to a boil, then reduce heat and simmer uncovered for 20 minutes until vegetables are tender.

Step 06

Incorporate beans: Stir in drained cannellini beans and simmer for 5 additional minutes to heat through.

Step 07

Finish and serve: Add lemon juice and adjust seasoning to taste. Ladle into bowls and serve hot.

Needed Tools

  • Large soup pot with lid
  • Cutting board
  • Chef's knife
  • Wooden spoon

Possible Allergens

Review each item for allergens and get advice from your medical provider if you’re unsure.
  • Verify canned beans and vegetable broth labels for gluten cross-contamination
  • If serving with bread or cheese accompaniments, confirm absence of gluten or dairy

Nutritional details (per serving)

For informational use only. Not a substitute for health advice.
  • Energy (kcal): 225
  • Fat content: 6 g
  • Carbohydrates: 36 g
  • Proteins: 8 g