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    Home » Recipes » Vegetarian Soup Recipes

    May 10, 2021 by Becca Heyes · This post may contain affiliate links · 77 Comments

    Veggie-Packed Slow Cooker Black Bean Soup

    30.1K shares
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    Total time: 5 hours 15 minutes
    Servings: 3 people
    5 from 2 votes
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    A hearty, healthy slow cooker black bean soup that's packed with vegetables, and only takes a few minutes to prepare!

    A ladle taking a scoop of black bean soup from a slow cooker.

    If you want a hearty, healthy dinner, but you don't want to actually have to spend more than 5 minutes making it (I feel you), this slow cooker black bean soup is the answer to your prayers. It's packed with veggies, and practically cooks itself. Just chuck everything in the slow cooker, and a few hours later, it's ready to eat. Hallelujah!

    A bowlful of black bean soup topped with spring onions and sour cream.

    Summer slow cooking

    I don't often think to use my slow cooker at this time of year. Slow cookers are obviously great for cooking wintery vegetarian stews and hearty casseroles - but there's no reason you can't enjoy slow cooked food in the warmer months too.

    This black bean soup is great year-round. In the winter, you can make it extra hearty with some melted cheese and crusty bread and butter. Or, in the summer, keep things light by topping it with some extra veggies and a dollop of sour cream.

    A bowl of black bean soup topped with spring onions and sour cream.

    Slow cooker black bean soup

    Black bean soup is one of my favourite soups of all time, and this slow cooker version checks every single box.

    • It's full of healthy, whole ingredients like fresh vegetables and beans.
    • It's completely delicious, with heaps of flavour.
    • It's a great fridge clearer, and can easily be adapted to use whatever veg you have lingering in the fridge.
    • It's very low effort, and cooks itself in the slow cooker.
    • It reheats beautifully, if you have any leftovers.
    • It can be personalised with your own choice of toppings.

    I've never had a more perfect soup.

    Grated carrot, spinach and red pepper in a slow cooker.

    Veggie-packed soup

    The soup begins with the vegetables.

    I like to chop the veg fairly small (I even grate the carrots), and they cook down so much that they become almost invisible in the finished soup. If you're trying to hide the vegetables - either from picky kids, or just from yourself - it's perfect. And if you'd prefer a chunkier soup with bigger pieces of veg, just don't cut them as finely.

    Hiding in this black bean soup, there are two big carrots, a huge handful of spinach, and a whole red pepper. They bring extra flavour and goodness to the soup, without putting off any veggie-haters.

    Black beans, chopped tomatoes and refried beans in a slow cooker.

    Refried bean soup

    Next up, add the black beans, and a tin of chopped tomatoes. I also love to add a tin of refried beans. I'm obsessed with these things - they may look like cat food when you first open the tin, but they're unbelievably tasty, and they help to make the soup extra thick and creamy.

    Make sure your refried beans are vegetarian, if necessary. In the UK, I've never seen non-veggie ones, but I've heard that elsewhere, they can contain lard, so just make sure you check before you buy. The Old El Paso refried beans* are my favourite ones on the planet. I could eat them straight from the tin (in fact, I regularly do...).

    Or you can use homemade refried beans instead, if you prefer!

    When you've added all the ingredients to your slow cooker, just give it a good mix, and it's ready to go.

    Uncooked black bean soup in a slow cooker.

    Slow cooker soup

    This slow cooker black bean soup is pretty forgiving. It doesn't really matter how long you cook it for - anything from 5 to 7 hours will be totally fine (or even a little longer), so just serve it up whenever is convenient for you.

    Obviously the longer you cook it, the richer it will be, and the more the vegetables will have cooked down - so I'd err on the side of slightly longer, if you have the time.

    When it's ready, it should look a little bit like this.

    Black bean soup in a slow cooker.

    Chunky vs smooth soup

    I left my black bean soup chunky, because that's how I like it, and seeing little flecks of green and red vegetables in my soup doesn't put me off (considering I put the vegetables in myself, it would be a bit odd if it did).

    However if you really want to deny the vegetables' very existence (or you just like a smooth and creamy soup), you could always blend your soup before serving so that nobody suspects a thing.

    I actually blended up my kids' portions, and it worked really well as a smooth soup, too. The beans make it nice and thick, so just add a splash more water if you prefer a thinner soup.

    A ladle scooping some black bean soup from a slow cooker.

    Soup toppings

    You know I love a good topping, especially with Tex-Mex style food. This black bean soup is absolutely perfect for topping!

    The soup itself is vegan, but you can add whatever toppings you fancy. Here are a few ideas:

    • melted grated cheese
    • sour cream
    • fresh coriander (cilantro)
    • sliced spring onions
    • crushed tortilla chips
    • diced avocado
    A spoon taking a scoop from a bowlful of black bean soup.

    Can I reheat the leftovers?

    Since it's already been cooked to oblivion, this black bean soup is just as good reheated the next day. It's the perfect thing to make in batches, to last you a few days for lunch.

    If it were me, I'd pop some cheese on top before you reheat it, and it'll get nice and melty. The perfect black bean soup.

    More Black Bean Recipes

    • Mushroom and Black Bean Chilli
    • Mushroom and Black Bean Smothered Burritos
    • Enchilada Stuffed Pasta Shells
    • Spicy bean hotpot with crispy potato topping
    A spoon taking a scoop from a bowlful of black bean soup.

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    Veggie-Packed Slow Cooker Black Bean Soup

    A hearty, healthy slow cooker black bean soup that's packed with vegetables, and only takes a few minutes to prepare!

    If you've cooked this recipe, don't forget to leave a star rating!

    5 from 2 votes
    Print Pin Comment
    Prep Time: 15 minutes
    Cook Time: 5 hours
    Total Time: 5 hours 15 minutes
    Servings: 3 people
    Calories: 366kcal
    Author: Becca Heyes

    Ingredients

    • 2 medium carrots, grated
    • 1 red pepper, diced
    • 1 large handful spinach, chopped
    • 4 cloves garlic, minced
    • 2 x 400g tins black beans, drained (480g, or ~ 2 ½ cups, when drained)
    • 400 g tin (~ 1 ⅓ cups) chopped tomatoes
    • 435 g tin (~ 1 ⅓ cups) refried beans (spicy or mild)
    • 2 teaspoon smoked paprika
    • 2 teaspoon hot chilli powder optional
    • 200 ml (~ ¾ cup) water
    • Optional toppings: chopped fresh coriander (cilantro), grated cheese, crumbled tortilla chips, sour cream, etc.

    Instructions

    • Add all of the ingredients (apart from your toppings) into the slow cooker, and mix well. Cook for at least 5 hours on high (longer is also fine).
    • You can blend the soup before serving (add a splash more water if it ends up too thick), or leave it chunky. Add your chosen toppings to serve.

    Nutrition

    Serving: 1 portion - Calories: 366 kcal - Carbohydrates: 66.8 g - Protein: 21.7 g - Fat: 3 g - Saturated Fat: 0.9 g - Cholesterol: 11 mg - Sodium: 450 mg - Potassium: 1453 mg - Fiber: 22.5 g - Sugar: 8 g - Calcium: 134 mg - Iron: 6 mg

    Nutritional information is approximate, and will depend on your exact ingredients. Please calculate your own nutritional values if you require accuracy for health reasons.

    Tried this Recipe? Pin it for Later!Mention @EasyCheesyVeg or tag #EasyCheesyVegetarian!

    More Vegetarian Soup Recipes

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    • Vegan Taco Soup (with Crispy Tortilla Strips)
    • Quick Red Thai Curry Noodle Soup
    • Honey Roasted Parsnip Soup
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    Comments

    1. Paul Fixter says

      October 07, 2021 at 4:47 pm

      I've done this soup many times and it is perfect for a cold day!

      Reply
      • Becca @ Easy Cheesy Vegetarian says

        October 18, 2021 at 9:41 am

        Great news, thank you!

        Reply
    2. Annabel Smyth says

      May 10, 2021 at 7:47 pm

      I often use my slow cooker - or my Instant Pot - in summer, as it makes the kitchen less hot than having the stove on.

      Reply
    3. Gill says

      May 10, 2021 at 6:54 pm

      I’m not the world’s biggest fan of refried beans - should I use another tin of black beans, or just leave them out?

      Reply
      • Becca @ Easy Cheesy Vegetarian says

        May 12, 2021 at 10:51 am

        Honestly I would leave them in anyway, they melt away into the soup and just make it rich and creamy. If you really don't want to include them, I'd use another tin of black beans instead, up the spices and seasoning a bit, and maybe mash / blend the beans a bit before serving to help it thicken up.

        Reply
    4. sue says

      September 10, 2018 at 5:01 am

      This looked like an interesting recipe, but the pale gray print makes it impossible for some of us to read.

      Reply
      • Becca @ Amuse Your Bouche says

        September 10, 2018 at 3:28 pm

        Hi Sue, sorry about that! I'm actually having the site redesigned later this year and one of my priorities is to make the font much darker :)

        Reply
    5. Davey says

      April 15, 2018 at 1:51 am

      I have been making a stovetop black bean soup for years. Decided to try this one as it looked interesting and I liked that it is for a slow cooker. The stated prep time of 5 minutes seems impossible to achieve. It took me 30 minutes to prepare. I followed the recipe and didn't make any changes. Overall, we liked the outcome. My wife thought it tasted a bit smokey. I thought it was somewhat sweet. We will probably spice it up more the next time. Good to have new recipe to throw into the mix.

      Reply
      • Becca @ Amuse Your Bouche says

        April 16, 2018 at 9:29 pm

        Thanks Davey, glad you liked it! I'm surprised it took you 30 minutes to prepare - it's mostly just opening tins! :)

        Reply
    6. Abby says

      November 09, 2016 at 2:48 am

      I love this recipe because it's full of healthy goodness and I can alter it to my family's tastes. I use dried black beans for the value, boost the spices, add cumin and Spanish hot sauce such as Tapatillo plus lime juice. Can you tell we like Mexican flavors? Thank you for the springboard recipe! For those curious, I've made this basic recipe with my spin at least 10 times.

      Reply
      • Becca @ Amuse Your Bouche says

        November 11, 2016 at 3:03 pm

        Wow you have been busy! :D I can never follow a recipe to the letter myself, so I totally understand the need to put your own spin on it haha. Glad you like it so much :)

        Reply
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    Hi, I'm Becca! I've been a vegetarian for 20+ years, and unlike most of my other childhood pursuits, I actually stuck with it! I love cooking vegetarian food that's full of flavour, but doesn't take a lot of effort to make.

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    Hi, I'm Becca! I've been a vegetarian for 20+ years, and unlike most of my other childhood pursuits, I actually stuck with it! I love cooking vegetarian food that's full of flavour, but doesn't take a lot of effort to make.

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