Sweet Potato Black Bean Soup

Featured in: Vegetarian Favorites

This warming bowl combines creamy sweet potatoes with protein-packed black beans, simmered slowly in vegetable broth with aromatic cumin, smoked paprika, and coriander. The result is a hearty, satisfying soup that's naturally gluten-free and loaded with fiber. Ready in under an hour, it's perfect for meal prep or weeknight dinners when you want something nourishing without spending hours in the kitchen.

Updated on Mon, 26 Jan 2026 12:50:00 GMT
Hearty sweet potato and black bean soup, garnished with fresh cilantro. Save
Hearty sweet potato and black bean soup, garnished with fresh cilantro. | whisknjoy.com

There's something about October afternoons that makes me crave this soup—the kind of day when the kitchen smells like possibility before you've even turned on the stove. I stumbled onto this combination during a farmers market visit, loading up on sweet potatoes that were almost glowing in their bin, and somehow the black beans and spices just made sense together. What started as an experiment with whatever vegetables needed using has become my go-to when I want something that feels both nourishing and genuinely delicious.

I made this for my sister on a random Tuesday when she mentioned feeling burned out, and watching her slow down with each spoonful reminded me why I cook in the first place. She asked for the recipe before she'd even finished her bowl, which basically never happens, and now she texts me pictures of her versions with different garnishes. Those small moments—when food becomes permission to actually pause—that's when a recipe becomes something worth holding onto.

Ingredients

  • Sweet potatoes (2 medium, peeled and diced): These are the soul of the soup, turning creamy as they break down and giving you natural sweetness that balances the spices—don't skip the peeling, it keeps the texture smooth.
  • Yellow onion (1 large, diced): The flavor foundation that mellows out beautifully once it hits the heat, creating that savory base everything else builds on.
  • Garlic (2 cloves, minced): Toast it just long enough to wake it up but not so long it turns bitter—you'll smell the exact moment it's right.
  • Carrot and celery (1 of each, diced): These add subtle sweetness and body without overpowering the star ingredients.
  • Red bell pepper (1 medium, diced): A little brightness that you'll taste more as a feeling than a specific flavor.
  • Black beans (2 cans, drained and rinsed): The protein powerhouse that makes this actually fill you up, rinsing them removes the excess sodium and foam.
  • Vegetable broth (1 liter): Use something you'd actually taste on its own—the quality matters because there's nothing here to hide behind.
  • Diced tomatoes (1 can with juice): The acid that keeps everything tasting bright and prevents it from becoming one-note.
  • Ground cumin and smoked paprika (1 teaspoon each): These two are the secret handshake between sweet and savory, creating that warm, almost earthy undertone.
  • Ground coriander (1/2 teaspoon): Just enough to add complexity without announcing itself.
  • Cayenne pepper (1/4 teaspoon, optional): The gentle warning at the back of your throat, skip it if you prefer your soup without any heat.
  • Bay leaf (1): Simmering it in the broth creates something you can't quite name but definitely miss if it's gone.
  • Salt and black pepper: Always taste before serving because everyones broth is different, and you're the expert on your own palate.
  • Fresh cilantro, lime wedges, and avocado (optional garnishes): These transform the bowl from warming to vibrant, adding texture and brightness right before eating.

Instructions

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Build your flavor base:
Heat the olive oil in your pot over medium heat, then add the onion, carrot, celery, and bell pepper—listen for that gentle sizzle and watch until the edges of the onion turn translucent, about 5 minutes. You're not trying to brown anything, just coax out the natural sweetness before the next layers go in.
Wake up the garlic:
Stir in the minced garlic and let it perfume the whole kitchen for exactly 1 minute—any longer and it starts to taste acrid, any shorter and it stays too sharp. You'll know it's ready when you can't stop smelling it and your kitchen smells like actual cooking is happening.
Toast the spices:
Add the sweet potatoes, cumin, smoked paprika, coriander, cayenne if using, and bay leaf, stirring everything together for about 2 minutes so the spices can bloom in the oil. This is the step that transforms spices from powder to flavor, so don't skip it even though it feels too quick.
Bring it to life:
Pour in the vegetable broth and diced tomatoes with all their juice, then turn up the heat until you see an actual rolling boil—this takes 5-8 minutes depending on your stove. The moment it boils, lower the heat to a gentle simmer, cover the pot, and let time do the work for the next 15 minutes.
Finish strong:
Once the sweet potatoes are so tender they almost fall apart when you stir, add the drained black beans, salt, and black pepper, then simmer uncovered for 5-10 minutes so all the flavors get acquainted. Taste it now and adjust the seasoning—you might want more salt, more lime brightness, or that extra pinch of cayenne.
Choose your texture:
If you want creaminess without cream, use an immersion blender to partially blend the soup, leaving some chunks for texture and so you can still identify what you're eating. The beauty is you control this moment—blend it more if you like silky, blend it less if you want it chunky.
Serve with intention:
Remove the bay leaf, ladle the soup into bowls, and add your chosen garnishes—fresh cilantro for herbaceousness, lime wedges for brightness, avocado for richness, or all three if you're feeling generous. The garnishes aren't optional; they're how you customize each bowl to your mood.
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A comforting bowl of sweet potato and black bean soup, perfect for chilly evenings. Save
A comforting bowl of sweet potato and black bean soup, perfect for chilly evenings. | whisknjoy.com

I remember my neighbor smelling this cooking through our shared wall and showing up at my door asking what was happening—we ended up eating soup together at my kitchen counter while it was still raining outside, and she's been making it ever since. That's when I realized this soup does something beyond filling your stomach; it creates the kind of moment where people actually sit down together.

The Magic of Partial Blending

The first time I made this, I blended it completely smooth out of habit, and something was missing—it tasted more like baby food than soup, and I couldn't put my finger on why it felt wrong. The next batch, I left it chunky, and that wasn't quite right either, but then I discovered that middle ground where you blend just enough to create creaminess from the sweet potatoes while keeping the black beans and vegetables visible and distinct. That partial blending is what makes this soup feel intentional rather than accidental, like you know exactly what you're doing instead of just throwing things in a pot.

Spice Layering That Actually Works

I used to add all the spices at once, and they'd taste muddled and competing instead of complementary—until I realized the magic happens in the timing and the blooming. Cumin and smoked paprika are the backbone that creates that warm, almost smoky undertone, while coriander adds a subtle floral note that makes people say this tastes fancy without being able to name what they're tasting. The cayenne is optional but recommended, not for heat exactly, but because it adds a warning signal at the back of your throat that makes you want another spoonful.

Making This Recipe Your Own

The beauty of this soup is that it's flexible enough to work with what you have but structured enough that it always tastes intentional and complete. You can substitute kidney beans or pinto beans if black beans aren't in your pantry, add a pinch of chipotle powder if you want smokiness to dominate, or top it with Greek yogurt for extra protein and creaminess. The garnishes are where you get to personalize it—cilantro if you love herbaceous, lime if you want brightness, avocado if you're craving richness, or all three if you want the full experience.

  • Add a crusty bread or tortilla chips for textural contrast and something to dip into the broth.
  • Make a big batch and freeze half in portions, because this soup tastes even better the next day once everything has had time to get properly acquainted.
  • Serve with something bright on the side, whether that's a sharp salad or a simple grain, because the soup is complete on its own but appreciates the company.
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Visually appealing sweet potato and black bean soup, ready to be served with lime. Save
Visually appealing sweet potato and black bean soup, ready to be served with lime. | whisknjoy.com

This soup has become my answer to almost everything—a random Tuesday, a friend feeling overwhelmed, a day when I want something that tastes like care but doesn't require complicated steps. There's real comfort in knowing you can create something this nourishing and genuine in less than an hour.

Recipe FAQ

Can I make this soup ahead of time?

Absolutely. This soup actually tastes better the next day as flavors have time to meld. Store in an airtight container in the refrigerator for up to 5 days, or freeze for up to 3 months.

How can I make this soup spicier?

Add more cayenne pepper to taste, or stir in a teaspoon of chipotle powder for a smoky heat. You could also dice a jalapeño along with the other vegetables in step one.

Can I use dried black beans instead of canned?

Yes. Soak 1 cup dried black beans overnight, then cook them separately until tender before adding in step 6. You'll need about 3 cups of cooked beans.

Is this soup freezer-friendly?

Definitely. Let the soup cool completely before transferring to freezer-safe containers. Leave some headspace as liquids expand when frozen. Thaw overnight in the refrigerator before reheating.

What other vegetables can I add?

Zucchini, butternut squash, or kale work beautifully. Add kale in the last 5 minutes of simmering. Zucchini or squash can go in with the sweet potatoes in step 3.

Can I make this in a slow cooker?

Sauté vegetables in a pan first, then transfer everything to your slow cooker. Cook on low for 6-7 hours or high for 3-4 hours. Add the black beans during the last hour of cooking.

Sweet Potato Black Bean Soup

Creamy sweet potatoes and black beans simmered with cumin and smoked paprika for a warming, fiber-rich meal ready in 45 minutes.

Prep duration
15 min
Cook duration
30 min
Complete duration
45 min
Created by Sophia Turner

Classification Vegetarian Favorites

Skill Level Easy

Cultural Background American

Output 4 Portion Count

Dietary considerations Plant-Based, No Dairy, No Gluten

Components

Vegetables

01 2 medium sweet potatoes, peeled and diced
02 1 large yellow onion, diced
03 2 cloves garlic, minced
04 1 medium carrot, diced
05 1 stalk celery, diced
06 1 red bell pepper, diced

Legumes

01 2 cans (15 oz each) black beans, drained and rinsed

Liquids

01 4 cups vegetable broth
02 1 can (14.5 oz) diced tomatoes with juice

Spices and Seasonings

01 1 teaspoon ground cumin
02 1 teaspoon smoked paprika
03 1/2 teaspoon ground coriander
04 1/4 teaspoon cayenne pepper, optional
05 1 bay leaf
06 1/2 teaspoon salt, or to taste
07 1/4 teaspoon black pepper
08 2 tablespoons olive oil

Garnishes

01 Fresh cilantro, chopped
02 Lime wedges
03 Sliced avocado

Preparation Steps

Stage 01

Sauté aromatics: Heat olive oil in a large pot over medium heat. Add diced onion, carrot, celery, and bell pepper. Sauté for 5 minutes until vegetables are softened.

Stage 02

Bloom garlic: Add minced garlic to the pot and cook for 1 minute until fragrant.

Stage 03

Toast spices: Stir in sweet potatoes, cumin, smoked paprika, coriander, cayenne, and bay leaf. Cook for 2 minutes, stirring frequently.

Stage 04

Add liquids: Pour vegetable broth and diced tomatoes with juice into the pot. Bring mixture to a boil.

Stage 05

Simmer soup base: Reduce heat to low and cover. Simmer for 15 minutes until sweet potatoes are tender.

Stage 06

Incorporate beans: Add black beans, salt, and black pepper. Simmer uncovered for 5 to 10 minutes to allow flavors to meld.

Stage 07

Finish and blend: Remove bay leaf from pot. For creamier texture, use an immersion blender to partially blend soup, leaving some chunks intact.

Stage 08

Adjust and serve: Taste and adjust seasoning as needed. Ladle soup into bowls and serve hot, garnished with cilantro, lime wedges, or avocado.

Necessary tools

  • Large soup pot with lid
  • Chef's knife
  • Cutting board
  • Wooden spoon
  • Immersion blender, optional

Allergy details

Review all ingredients for potential allergens and consult with healthcare professionals if you're unsure about any item.
  • Contains no major allergens if prepared with certified gluten-free vegetable broth
  • Review store-bought broth labels for potential allergen cross-contamination

Nutritional content (each portion)

These values are provided as estimates only and shouldn't replace professional medical guidance.
  • Energy: 320
  • Fats: 5 g
  • Carbohydrates: 58 g
  • Proteins: 12 g