Vegan Slow Cooker Tuscan White Bean Soup
A hearty Italian-inspired soup featuring tender navy beans simmered with aromatic vegetables, herbs, and finished with vibrant pesto. The slow cooking process allows the beans to break down naturally, creating a creamy base while maintaining textural interest. Perfect for busy weeknights or meal prep, this comforting soup combines the convenience of hands-off cooking with the sophisticated flavors of Tuscany. The addition of smoked paprika adds depth while the pesto stirred in at the end provides a fresh, herbal brightness that sets this version apart from traditional bean soups.
Ingredients
- 2 tablespoons extra virgin olive oil
- 2 tablespoons garlic, minced (about 4 cloves)
- 1 cup onion, diced (about 1 medium)
- 1 ½ cups carrots, sliced (about 1/2 pound)
- 4 stalks celery, sliced
- 1 pound dry navy beans, rinsed and picked over to remove any debriscannellini beans1:1vegetariangluten-free
slightly creamier texture
- 1 bay leaf, left whole
- 1 teaspoon dried crushed rosemary
- ½ teaspoon dried thyme leaves
- ½ teaspoon smoked paprika
- 15 cranks freshly ground black pepper, from a pepper mill
- 6 cups water
- ½ cup prepared pestobasil leaves + garlic + olive oil2 tablespoons fresh basil + 1 clove garlic + 1 tablespoon olive oilvegetariangluten-free
fresher flavor but less complex
Full guide → - 1 teaspoon salt, plus more to taste
Instructions
- 1
Pour olive oil into slow cooker and tip to coat bottom of insert
- 2
Add all ingredients except salt and pesto to slow cooker and stir to combine
- 3
Cover and cook on low for 8 hours
- 4
Remove lid and stir soup, then transfer half to blender and process until smooth
- 5
Return pureed soup to slow cooker with remaining soup and stir to combine
- 6
Stir in pesto and salt, then adjust seasoning to taste
Tips
Pick through beans carefully to remove any stones or debris before rinsing, as these can damage your slow cooker or teeth.
For extra flavor depth, saute the onions, carrots, and celery in the olive oil before adding to the slow cooker if time permits.
Don't skip the partial blending step - it creates the perfect creamy yet chunky texture that makes this soup special.
Good to Know
Refrigerate up to 4 days in airtight container. May thicken when cold - thin with water or broth when reheating.
Can be made 1-2 days ahead. Add pesto just before serving for best flavor and color.
Ladle into bowls and garnish with extra pesto, grated Parmesan, or crusty bread for dipping.
Common Mistakes
Don't add salt during cooking to prevent beans from becoming tough
Remove bay leaf before serving to avoid choking hazard
Let hot soup cool slightly before blending to prevent dangerous splattering
Substitutions
fresher flavor but less complex
Full guide →FAQ
Can I use canned beans instead of dried?
Yes, use 3 cans (15 oz each) of navy beans, drained and rinsed. Reduce cooking time to 4 hours and add beans in the last 2 hours to prevent mushiness.
What if I don't have a blender?
Use an immersion blender directly in the slow cooker, or mash half the beans with a potato masher for a chunkier but still creamy texture.
How long will leftovers keep?
Store in refrigerator up to 4 days or freeze up to 3 months. Thaw overnight before reheating and add water if needed to thin consistency.