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Creamy Slow Cooker White Bean and Kale Soup with Sourdough Croutons

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A cozy, creamy slow cooker soup featuring white beans and kale, thickened by blending part of the beans and topped with crunchy sourdough croutons. Perfect for a wholesome, comforting meal without heavy cream.

Ingredients

Scale
  • 2 cups dry navy or cannellini beans, soaked overnight (or 4 cups cooked/canned, rinsed well)
  • 6 cups chopped kale, stems removed (curly or dinosaur kale recommended)
  • 1 medium yellow onion, finely chopped
  • 3 cloves garlic, minced
  • 2 medium carrots, diced
  • 6 cups low-sodium vegetable broth
  • 2 tsp dried thyme
  • 1 tsp dried rosemary
  • 1 bay leaf
  • ½ tsp smoked paprika
  • Salt and black pepper to taste
  • 2 tbsp extra virgin olive oil (for sautéing and finishing)
  • Juice of half a lemon
  • 3 cups cubed day-old sourdough bread
  • 2 tbsp olive oil (for croutons)
  • Pinch of garlic powder (for croutons)
  • Salt and pepper (for croutons)

Instructions

  1. If using dry beans, soak them overnight in plenty of water. Drain and rinse before cooking. If using canned beans, rinse and drain thoroughly.
  2. In a skillet, heat 2 tablespoons of olive oil over medium heat. Add chopped onion and diced carrots; cook about 5 minutes until softened but not browned. Add minced garlic and cook another minute until fragrant.
  3. Transfer sautéed vegetables to the slow cooker. Add soaked beans, vegetable broth, dried thyme, rosemary, bay leaf, smoked paprika, salt, and pepper. Stir to combine.
  4. Set slow cooker to low and cook for 7 to 8 hours (or high for 4 to 5 hours) until beans are tender and flavors meld.
  5. About 30 minutes before serving, stir in chopped kale to soften but keep vibrant green. Remove about 3 cups of soup and blend until smooth using an immersion or regular blender.
  6. Return blended soup to slow cooker and stir well. Add lemon juice and adjust seasoning with salt and pepper as needed.
  7. While soup finishes, heat a skillet over medium heat. Toss sourdough cubes with olive oil, garlic powder, salt, and pepper. Toast, stirring often, until golden and crispy, about 6 to 8 minutes.
  8. Ladle soup into bowls and top generously with warm sourdough croutons.

Notes

Blend only a portion of the beans to achieve creamy texture while retaining some whole beans for texture. Sautéing the onion, carrots, and garlic before slow cooking adds depth of flavor. Add kale near the end to keep it bright and tender. Toast sourdough croutons just before serving to maintain crunch. For gluten-free, substitute sourdough with gluten-free bread or roasted chickpeas. For vegan creaminess, add a splash of coconut milk near the end if desired.

Nutrition

Keywords: slow cooker soup, white bean soup, kale soup, creamy soup, healthy soup, sourdough croutons, easy dinner, vegetarian soup, vegan soup

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