Smoky Sweet Potato and Black Bean Soup

Quick Recipe Version (TL;DR)

• Yield: 4 servings
• Prep Time: 20 minutes
• Cook Time: 40 minutes
• Total Time: 1 hour

Quick Ingredients

• 2 large sweet potatoes (about 2 lb / 900 g), peeled and 1/2-inch cubes
• 3 tbsp olive oil, divided
• 2 tsp ground cumin, divided
• 2 tsp smoked paprika, divided
• Fine sea salt and black pepper
• 1 medium yellow onion, diced
• 1 red bell pepper, diced
• 3 garlic cloves, minced
• 1/2 tsp ground coriander (optional)
• 1/4–1/2 tsp chili powder or chipotle powder
• 2 tbsp tomato paste
• 4 cups (950 ml) low-sodium vegetable broth
• 1 (14.5-oz / 410 g) can fire-roasted diced tomatoes
• 1 (15-oz / 425 g) can black beans, drained and rinsed
• 1 cup (150 g) corn kernels (fresh or frozen)
• 1–2 tbsp fresh lime juice
• Optional: avocado, cilantro, green onions, yogurt/sour cream, crumbled cheese

Do This

• 1. Heat oven to 425°F (220°C). Toss sweet potato cubes with 2 tbsp olive oil, 1 tsp cumin, 1 tsp smoked paprika, 1/2 tsp salt, and 1/4 tsp pepper. Spread on a baking sheet.
• 2. Roast sweet potatoes for 22–25 minutes, turning once, until browned on the edges and tender.
• 3. Meanwhile, in a large pot, heat 1 tbsp olive oil over medium heat. Sauté onion and bell pepper for 5–7 minutes until softened.
• 4. Stir in garlic, remaining cumin, smoked paprika, coriander, and chili powder. Cook 1 minute, then add tomato paste and cook 1–2 minutes.
• 5. Add broth, tomatoes, black beans, corn, 3/4 tsp salt, and pepper. Simmer 10–15 minutes.
• 6. Stir in roasted sweet potatoes. Partially blend the soup with an immersion blender for a thick, chunky texture (or blend 2 cups in a blender and return to the pot).
• 7. Remove from heat, stir in lime juice, taste and adjust seasoning. Serve hot with avocado, cilantro, green onions, yogurt/sour cream, and crumbled cheese if desired.

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Why You’ll Love This Recipe

• Deep, cozy flavor from roasted sweet potatoes, smoky paprika, and cumin in every spoonful.
• Hearty and filling thanks to black beans and corn, but naturally vegetarian and gluten-free.
• Great for meal prep: keeps well, reheats beautifully, and tastes even better the next day.
• Flexible and family-friendly: adjust the spice level and toppings to suit everyone at the table.

Grocery List

• Produce: Sweet potatoes, yellow onion, red bell pepper, garlic, lime, avocado (optional), fresh cilantro (optional), green onions (optional).
• Dairy: Plain Greek yogurt or sour cream (optional), queso fresco/cotija/feta (optional).
• Pantry: Olive oil, low-sodium vegetable broth, canned black beans, canned fire-roasted diced tomatoes, tomato paste, corn kernels (frozen or canned), ground cumin, smoked paprika, ground coriander, chili powder or chipotle chili powder, bay leaf (optional), fine sea salt, black pepper.

Full Ingredients

For the Roasted Sweet Potatoes

• 2 large orange-fleshed sweet potatoes (about 2 lb / 900 g), peeled and cut into 1/2-inch cubes
• 2 tbsp olive oil
• 1 tsp ground cumin
• 1 tsp smoked paprika
• 1/2 tsp fine sea salt
• 1/4 tsp freshly ground black pepper

For the Soup

• 1 tbsp olive oil
• 1 medium yellow onion, diced
• 1 red bell pepper, diced
• 3 garlic cloves, minced
• 1 tsp ground cumin
• 1 tsp smoked paprika
• 1/2 tsp ground coriander (optional but adds lovely earthiness)
• 1/4–1/2 tsp chili powder or chipotle chili powder, to taste (start with 1/4 tsp for mild)
• 2 tbsp tomato paste
• 4 cups (950 ml) low-sodium vegetable broth
• 1 small bay leaf (optional)
• 1 (14.5-oz / 410 g) can fire-roasted diced tomatoes, with their juices
• 1 (15-oz / 425 g) can black beans, drained and rinsed
• 1 cup (150 g) corn kernels (fresh or frozen; no need to thaw if frozen)
• 3/4 tsp fine sea salt, plus more to taste
• Freshly ground black pepper, to taste
• 1–2 tbsp fresh lime juice (from about 1 lime), plus extra lime wedges for serving

Optional Garnishes

• 1 ripe avocado, diced
• Fresh cilantro leaves, chopped
• Green onions, thinly sliced
• Plain Greek yogurt or sour cream
• Crumbled queso fresco, cotija, or feta
• Extra smoked paprika or a drizzle of olive oil for finishing

Step-by-Step Instructions

Step 1: Preheat the oven and prep the sweet potatoes

Preheat your oven to 425°F (220°C). Line a large baking sheet with parchment paper for easier cleanup, if you like.

Peel the sweet potatoes and cut them into 1/2-inch cubes. Try to keep the pieces roughly the same size so they cook evenly. Add the cubes to a large bowl and drizzle with 2 tbsp olive oil. Sprinkle over 1 tsp ground cumin, 1 tsp smoked paprika, 1/2 tsp fine sea salt, and 1/4 tsp black pepper. Toss thoroughly until every piece is coated in the spiced oil.

Step 2: Roast the sweet potatoes until caramelized

Spread the seasoned sweet potato cubes in a single layer on the prepared baking sheet. Avoid overcrowding; use two sheets if needed so they roast instead of steam.

Roast in the preheated oven for 22–25 minutes, turning the cubes once halfway through. They are done when the edges are caramelized and browned in spots and the centers are very tender when pierced with a fork. While the sweet potatoes are roasting, start on the soup base.

Step 3: Build the soup base with aromatics and spices

In a large, heavy-bottomed pot or Dutch oven, heat 1 tbsp olive oil over medium heat. Add the diced onion and red bell pepper. Cook, stirring occasionally, for 5–7 minutes, until the vegetables are softened and the onion is turning translucent.

Add the minced garlic, 1 tsp ground cumin, 1 tsp smoked paprika, the ground coriander (if using), and the chili powder or chipotle powder. Cook, stirring constantly, for about 1 minute, until the spices smell very fragrant. Stir in the tomato paste and cook for another 1–2 minutes, letting it darken slightly; this step deepens the flavor of the soup.

Step 4: Add liquids, beans, and corn, then simmer

Pour in the vegetable broth and scrape the bottom of the pot with a wooden spoon to release any flavorful browned bits. Add the bay leaf (if using), the fire-roasted diced tomatoes with their juices, the drained and rinsed black beans, and the corn kernels.

Stir to combine, then season with about 3/4 tsp fine sea salt and a few grinds of black pepper. Bring the mixture up to a lively simmer over medium-high heat, then reduce the heat to medium-low. Let the soup simmer gently for 10–15 minutes to allow the flavors to meld. If the soup seems too thick at this stage, splash in a little extra broth or water.

Step 5: Stir in the roasted sweet potatoes and partially blend

Once the sweet potatoes are finished roasting, remove them from the oven. Discard the bay leaf from the soup if you used one. Carefully transfer most of the roasted sweet potatoes into the pot, reserving a small handful for garnish if desired.

Stir the soup gently and let it simmer together for about 5 minutes. For a hearty but slightly creamy texture, use an immersion blender to briefly blend the soup in a few quick bursts, aiming to puree roughly 1/3 of it. You still want plenty of visible chunks of sweet potato, beans, and corn. If you do not have an immersion blender, carefully ladle about 2 cups of the soup (with plenty of sweet potatoes) into a regular blender, blend until smooth, then return it to the pot and stir.

Step 6: Finish with lime and serve with garnishes

Turn off the heat and stir in 1 tbsp of fresh lime juice. Taste the soup and adjust: add more lime juice for brightness, more salt for overall flavor, or an extra pinch of chili powder if you want more heat. If the soup is thicker than you like, thin it with a bit more broth or water; if you prefer it thicker, let it simmer a few more minutes uncovered.

Ladle the hot soup into bowls. Top each serving with some of the reserved roasted sweet potatoes (if you saved them), diced avocado, a spoonful of Greek yogurt or sour cream, a sprinkle of cilantro and green onions, and a little crumbled cheese. Finish with a tiny pinch of smoked paprika or a drizzle of olive oil, and serve immediately with lime wedges on the side.

Pro Tips

• Roast deeply for flavor: Let the sweet potatoes get nicely browned on the edges. That caramelization is what brings out their natural sweetness and gives the soup extra depth.
• Control the heat level: Start with the lower amount of chili or chipotle powder, then add more at the end after tasting. It is much easier to add heat than to take it away.
• Blend just enough: Partial blending gives you the best of both worlds: a thick, cozy base with plenty of chunky sweet potatoes, beans, and corn to bite into.
• Use good broth: Since broth is the backbone of this soup, a flavorful vegetable broth (homemade or a high-quality store-bought brand) makes a noticeable difference.
• Make it a meal: Serve with warm tortillas, crusty bread, or a simple green salad to turn this into a complete, satisfying dinner.

Variations

• Extra-smoky chipotle version: Replace the chili powder with chipotle chili powder or minced canned chipotle in adobo sauce. Add a little at a time and taste; chipotle is powerful but amazing with sweet potatoes and black beans.
• Creamier coconut twist: For a richer soup, stir in 1/2 cup (120 ml) full-fat coconut milk at the end of cooking. Skip the cheese and yogurt and garnish with extra lime and cilantro for a dairy-free, ultra-silky version.
• Chunky “chili-style” soup: Skip the blending step and add an extra can of black beans. Serve topped with shredded cheese, crushed tortilla chips, and green onions for a chili-like bowl.

Storage & Make-Ahead

Let the soup cool to room temperature before storing. Refrigerate in airtight containers for up to 4 days. The flavors continue to develop, so it often tastes even better on days 2 and 3. To reheat, warm gently on the stovetop over medium-low heat, adding a splash of broth or water if it has thickened. You can also reheat individual portions in the microwave, stirring halfway through.

For longer storage, freeze the soup (without avocado or dairy garnishes) in freezer-safe containers for up to 3 months. Thaw overnight in the refrigerator, then reheat as above. Add fresh toppings like avocado, yogurt, and herbs just before serving so they stay vibrant and fresh.

Nutrition (per serving)

Approximate values for 1 of 4 servings (without optional garnishes): about 430 calories; 13 g protein; 12 g fat; 68 g carbohydrates; 13 g dietary fiber; 11 g sugar; 720 mg sodium (will vary based on broth and added salt). Adding avocado, cheese, or yogurt will increase the fat and calorie content, while also adding healthy fats and extra protein.