Easy Slow Cooker White Bean Soup

$3.36 recipe / $0.56 serving
by Beth - Budget Bytes
4.29 from 174 votes
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Whoever discovered beans gets a big fat medal of appreciation from yours truly. They’re just incredible. Incredible and cheap. And so is this Slow Cooker White Bean Soup. This soup is thick, warm, comforting, and flavorful… and cost me LESS THAN FIVE DOLLARS FOR THE WHOLE POT. That, my friend, is the magic of beans.

Overhead view of two bowls of slow cooker white bean soup on a white tray with torn pieces of baguette on the sides

What Kind of White Beans Should I Use?

I suggest using navy beans first, because they are creamy and break down easily when cooked, which will give you this nice thick texture in the finished soup. If navy beans are not available, my second choice would be great northern beans. DO NOT use cannellini beans, which are part of the kidney bean family, and require a heavy boil to break down a natural substance called Phytohaemagglutinin, which is a gastrointestinal toxin. The slow cooker does not get the soup hot enough for long enough to break down the toxins in those beans.

Do I Need to Soak the Beans?

Nope! This recipe does not require pre-soaking the beans. Some people claim that soaking beans then discarding the soaking water can reduce flatulence, but I, personally, find no difference. If you prefer to pre-soak your beans, you will need to add less water to this recipe and will probably need less cooking time. I have not tested that method, so I do not have a specific amount of water or cooking time to suggest.

Can I Use Broth in Place of Water?

This awesome Slow Cooker White Bean Soup uses a medley of spices, herbs, and vegetables to make its own flavorful broth right in the slow cooker – no Better Than Bouillon soup base this time around, folks. Of course you always have the option to use broth in place of water if you wish, just be aware that you probably won’t need to add salt at the end of the recipe, as directed below.  

Can I Add Meat?

Sure, if you prefer meat in your soup I would suggest adding a ham hock or a smoked turkey leg to the slow cooker with your soup as it cooks. They will provide a wonderfully smoky flavor and will reduce the amount of salt you’ll need to add at the end.

Is This Soup Freezer Friendly?

Yes! This Slow Cooker White Bean Soup freezer beautifully. Make sure to divide it into single portions and chill it in the refrigerator first, then transfer to the freezer once cold. I like to freeze my soups in reusable Ziploc containers, but freezer bags also work great. To reheat either use the defrost function on the microwave, or transfer to a soup pot and reheat over low, stirring often, until heated through.

Close up of a spoon lifting a bite of slow cooker white bean soup out of a bowl

Love white bean soup? Check out my Chunky Ham and Bean Soup or Easy Rosemary Garlic White Bean Soup.

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Slow Cooker White Bean Soup

4.29 from 174 votes
This Slow Cooker White Bean Soup practically makes itself! Just throw everything into the pot and press go for a thick, flavorful, and filling vegan soup.
Two bowls of white bean soup on a white tray with torn baguette pieces on the side
Servings 6 about 1.5 cups each
Prep 15 minutes
Cook 8 hours
Total 8 hours 15 minutes

Ingredients

  • 2 Tbsp olive oil ($0.32)
  • 4 cloves garlic ($0.32)
  • 1 yellow onion ($0.11)
  • 4 carrots (about 1/2 lb.) ($0.30)
  • 4 ribs celery ($0.46)
  • 1 lb. dry navy beans* ($1.25)
  • 1 bay leaf ($0.30)
  • 1 tsp dried rosemary ($0.10)
  • 1/2 tsp dried thyme ($0.05)
  • 1/2 tsp smoked paprika ($0.05)
  • Freshly cracked black pepper (15-20 cranks of a pepper mill) ($0.05)
  • 6 cups water ($0.00)
  • 2 tsp salt, or to taste ($0.05)
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Instructions 

  • Mince the garlic, dice the onion, slice the celery, and peel and slice the carrots. Add the olive oil, garlic, onion, celery, and carrots to a large (5qt or larger) slow cooker.
  • Give the beans a quick rinse in a colander and then add them to the slow cooker, along with the bay leaf, rosemary, thyme, paprika, and some freshly cracked pepper.
  • Add six cups of water to the slow cooker and stir to combine the ingredients. Place the lid on the slow cooker and cook on low for 8-9 hours or on high for 4-5 hours.
  • After 8 hours on low or 4 hours on high, stir the soup and begin to mash the beans against the side of the slow cooker to thicken the soup. Once the soup is thickened to your liking, start adding salt to taste. Begin with 1/2 tsp and add more until the soup tastes flavorful to you. I used about 2 tsp total.
  • Serve the soup hot with crackers or crusty bread for dipping.

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Notes

*DO NOT use cannellini beans, which are part of the kidney bean family, and require a heavy boil to break down a natural substance called Phytohaemagglutinin, which is a gastrointestinal toxin. The slow cooker does not get the soup hot enough for long enough to break down the toxins in those beans.

Nutrition

Serving: 1.5cupsCalories: 327.93kcalCarbohydrates: 52.73gProtein: 16.97gFat: 5.82gSodium: 683.53mgFiber: 20.82g
Read our full nutrition disclaimer here.
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Scroll down for the step by step photos!

Overhead view of two bowls of slow cooker white bean soup with pieces of baguette on the sides

How to Make Crockpot White Bean Soup – Step by Step Photos

Chopped celery, carrot, onion, and garlic in the slow cooker

Dice one yellow onion, four ribs of celery, and peel and slice 1/2 lb. carrots (about 4 carrots). Mince 4 cloves of garlic. Add the onion, celery, carrot, garlic and 2 Tbsp olive oil to a slow cooker (5 qt. or larger).

Package of dry navy beans

You’ll need one pound of dry navy beans or great northern beans. Again, DO NOT use cannellini beans, which are part of the kidney bean family, and require a heavy boil to break down a natural substance called Phytohaemagglutinin, which is a gastrointestinal toxin. The slow cooker does not get the soup hot enough for long enough to break down the toxins in those beans.

Uncooked beans, spices, herbs, and water added to the slow cooker

Briefly rinse the beans in a colander, then add them to the slow cooker along with 1 bay leaf, 1 tsp dried rosemary, 1/2 tsp dried thyme, 1/2 tsp smoked paprika, some freshly cracked pepper, and six cups of water.

Stir uncooked soup in slow cooker

Briefly stir the contents of the slow cooker to make sure all the flavors are distributed, then place a lid on top and cook on high for 4-5 hours or low for 8-9 hours.

Cooked white bean soup in the slow cooker, unstirred.

After cooking on high for 4-5 hours or low for 8-9 hours it will look a little something like this. All the vegetables will have floated up to the top and the beans will have absorbed most of the water. Test a bean to make sure they are very soft. If they’re not yet soft, cook for one hour more (they should definitely be soft by this point, unless your beans are very old. Old beans sometimes do not soften no matter how long they are cooked).

Smashed beans made soup thick in the slow cooker.

Stir the soup and smash the beans against the side of the pot, which will thicken the soup (or you can use an immersion blender). The soup at this point does not contain ANY salt, so now it’s time to add salt so you can really taste all the different flavors. Begin adding salt, starting with 1/2 tsp and adding more until the soup is flavorful. I added 2 tsp total.

Front view of two bowls of slow cooker white bean soup on a tray, a spoon lifting a bite out of the front bowl

Serve hot with some crusty bread for dipping!

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  1. Could I double the recipe? Would the cooking time be the same in the slow cooker? Thank you!

    1. The cooking time will probably increase because it will likely take longer for the larger volume to come up to a simmer. But without testing, I can’t say for sure how much time would need to be added.

  2. Iโ€™ve made this recipe a number of times and itโ€™s become a cold winter staple. Couldnโ€™t be easier to make and freezes well. Love it!!

  3. So good! I used Great Northern Beans, added some tomato paste, omitted the salt and instead used Better than Bouillan vegetarian no-chicken base after partially blending with an immersion blender. I used recommended amount of herbs and also added some parm rinds and a hit of lemon juice at the end for some zip. Cheap, filling, delicious, nutritious, and easy! ๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰

  4. I cooked this on the stove and added a 6-ounce can of tomato paste. Omitted the salt and added Mari Gold Vegan Swiss Vegetable Bouillon Powder.
    Delish!

  5. An immersion blender also works well instead of smashing the beans against the side!

  6. Hi, do the beans need to be soaked overnight? And can I use vegetable stock instead of water?

    1. Hi Glenda. You can use vegetable stock instead of water as long as it’s low sodium. If it isn’t low sodium you will need to adjust the level of salt. As for your other question this is our answer from the blog post:

      Do I Need to Soak the Beans?

      Nope! This recipe does not require pre-soaking the beans. Some people claim that soaking beans then discarding the soaking water can reduce flatulence, but I, personally, find no difference. If you prefer to pre-soak your beans, you will need to add less water to this recipe and will probably need less cooking time. I have not tested that method, so I do not have a specific amount of water or cooking time to suggest.

  7. I used Better than Bouillon vegetable stock in the six cups of water and added 3 tsp of tomato paste to the soup (at the beginning) for color and flavor. It made a very tasty, very popular soup. Iโ€™ll make it again.

  8. I can’t remember if I’ve commented on this before, but I’ve made this so many times and so I feel the need to leave 5 stars and say it’s one of my favourite recipes I’ve found on this site, which is saying something! I usually serve it with bread from the shops but today I made the soda bread also from here, and it went great together. Thanks so much.

    1. Hi, Amy! I’m sure with some tweaking (like adding less water & stirring in the beans near the end of the cooking time), canned beans could work in this recipe — but since we haven’t tested it this way, I am hesitant to say you will have equally successful results in the slow cooker. Mostly because canned beans are almost fully cooked when they come out of the can, so you don’t really need the crockpot! I’d suggest pivoting to one of our similar recipes that call for canned beans & doesn’t require the slow cooker:
      https://www.budgetbytes.com/easy-rosemary-garlic-white-bean-soup/
      https://www.budgetbytes.com/chunky-ham-and-bean-soup/
      ~Marion :)

  9. Hi. You can disregard my original question. The Alubias Blancas in my pantry are akin to a navy bean. Hooray!

  10. Hi there. I want to make this soup, but I have a bag of alubia blanca beans, which are cannelini. Could I just hard boil them for 10 minutes and then use them in the recipe as written?

  11. Omg, so good! When I was a kid, I loved Campbell’s bean with bacon soup. This reminds me of it in a big way. Delicious!