I keep coming back to this vegan lentil and sweet potato soup because it turns simple pantry staples into a hearty, nourishing bowl that feels made for busy weeknights. Gluten-free, dairy-free, and packed with rich flavor, it’s the kind of dinner that makes leftovers feel like a win.

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I’m obsessed with this Sweet Potato Lentil Stew because it eats like real dinner, not some sad “healthy” compromise. The sweet potatoes go tender and silky, the lentils bring that hearty bite I crave, and every spoonful feels loaded without being heavy.

I love that it’s vegan, gluten-free, dairy-free, and still totally satisfying on a weeknight when I want food that actually shows up. And the flavor?

Deep, savory, a little earthy, with just enough brightness to keep me going back. But mostly, I adore how unfussy it is.

Big bowl energy. No drama, just seriously good stew every time.

Ingredients

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Olive oil gets everything going and adds that cozy, silky base.
Onion brings sweetness and makes the kitchen smell like dinner’s happening.
Carrots add little pops of color and soft, earthy sweetness.
Celery keeps things savory, fresh, and not too heavy.
Garlic and ginger give the stew a warm, punchy kick.
Sweet potatoes make it hearty, creamy, and naturally a little sweet.
Lentils bring protein, fiber, and that stick-to-your-ribs comfort.
Tomatoes and tomato paste add tang, richness, and a deeper stew vibe.
Vegetable broth keeps it cozy without making it feel greasy.
Cumin, paprika, coriander, and turmeric make it warm, smoky, and earthy.
Bay leaves quietly do their thing in the background.
Basically, flavor support.
Salt, pepper, and chili flakes keep it bold, balanced, and maybe spicy.
Lemon or lime wakes everything up at the end.
Don’t skip it.
Plus, cilantro or parsley makes each bowl taste fresh and pretty.

Ingredient Quantities

2 tablespoons olive oil

1 large yellow onion, diced (about 1 1/2 cups)

2 medium carrots, peeled and diced (about 1 cup)

2 celery stalks, diced (about 3/4 cup)

3 garlic cloves, minced

1 tablespoon fresh ginger, grated or finely minced

1 1/2 pounds sweet potatoes, peeled and cut into 1/2 inch cubes (about 3 medium)

1 cup dried brown or green lentils, rinsed

1 (14 ounce) can diced tomatoes, undrained

2 tablespoons tomato paste

4 cups low sodium vegetable broth

1 cup water (adjust as needed)

1 teaspoon ground cumin

1 teaspoon smoked paprika

1/2 teaspoon ground coriander

1/2 teaspoon ground turmeric

2 bay leaves

1 teaspoon sea salt, plus more to taste

1/2 teaspoon freshly ground black pepper

1/4 teaspoon red pepper flakes, optional for heat

Juice of 1 lemon or lime (about 1 to 2 tablespoons), for finishing

Fresh cilantro or parsley, chopped, for garnish (about 1/4 cup)

How to Make this

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1. Heat olive oil in a large pot or in the Instant Pot on Sauté setting; add diced onion, carrots, and celery and cook until softened, about 5 to 7 minutes.

2. Add garlic and ginger and cook 1 minute more until fragrant, then stir in cumin, smoked paprika, coriander, turmeric, red pepper flakes if using, salt, and pepper to toast the spices briefly.

3. Add sweet potato cubes, rinsed lentils, diced tomatoes with their juices, tomato paste, bay leaves, vegetable broth, and 1 cup water; stir to combine and scrape up any browned bits from the bottom.

4. For Instant Pot: secure lid, set to pressure cook on High for 10 minutes, then allow natural release for 10 minutes before quick releasing remaining pressure.

5. For stovetop: bring to a boil, reduce to a simmer, cover and cook 25 to 30 minutes until lentils and sweet potatoes are tender, stirring occasionally and adding extra water if it becomes too thick.

6. For slow cooker: transfer mixture to slow cooker and cook on Low for 6 to 8 hours or High for 3 to 4 hours until lentils and sweet potatoes are tender; stir once or twice if possible.

7. Remove bay leaves, taste and adjust seasoning with more salt, pepper, or red pepper flakes as desired; if stew is too thick add extra broth or water to reach desired consistency.

8. Stir in lemon or lime juice to brighten flavors and ladle into bowls.

9. Garnish with chopped cilantro or parsley and serve hot with optional crusty bread or rice.

Equipment Needed

1. Large Dutch oven or heavy-bottomed pot (or Instant Pot if using pressure method)
2. Cutting board
3. Chef’s knife
4. Vegetable peeler
5. Measuring cups and measuring spoons
6. Wooden spoon or heatproof spatula
7. Fine-mesh sieve or colander (for rinsing lentils)
8. Ladle
9. Can opener

FAQ

How long does this stew take to make? Start to finish it takes about 45 to 55 minutes: 10 minutes to prep, 10 to 15 minutes to sauté the aromatics and spices, and 25 to 30 minutes to simmer until the lentils and sweet potatoes are tender.

Can I use other lentils? Brown or green lentils are recommended because they hold shape. Red lentils will break down and produce a thicker, more stewlike texture. Adjust cooking time since red lentils cook faster.

How can I make it spicier or milder? For more heat increase the red pepper flakes or add a pinch of cayenne. To make it milder omit the red pepper flakes and reduce black pepper.

How should I store and reheat leftovers? Cool, then refrigerate in an airtight container for up to 4 days or freeze for up to 3 months. Reheat gently on the stovetop over low to medium heat, adding a splash of water or broth if needed, or microwave until heated through.

Can I make this in a slow cooker or Instant Pot? Yes. For slow cooker: sauté aromatics first, then transfer everything to the slow cooker and cook on low 6 to 8 hours or high 3 to 4 hours. For Instant Pot: use the sauté function for aromatics, then pressure cook on high for 10 minutes and natural release 10 minutes.

What are good serving ideas and garnishes? Serve over rice, quinoa, or with crusty bread. Finish with the lemon or lime juice and garnish with fresh cilantro or parsley. A dollop of plain yogurt or a drizzle of olive oil adds richness if desired.

Sweet Potato Lentil Stew Recipe Substitutions and Variations

Olive oil: avocado oil, grapeseed oil, light vegetable oil
Large yellow onion: shallots (use 2 to 3), leek (white part only), sweet or red onion
Sweet potatoes: butternut squash, pumpkin, Yukon gold potatoes (note shorter simmer for potatoes)
Dried brown or green lentils: red lentils (will break down to thicken), canned lentils (drain and add near end), split peas

Pro Tips

1. Toast the spices in the oil until fragrant before adding liquids; it deepens the flavor quickly and gives the stew a richer, more complex base.
2. If you like a creamier texture, mash about a cup of the cooked sweet potato and lentils against the side of the pot and stir them back in. It thickens the stew without extra starch or cream.
3. Brighten everything at the end with the citrus and a little extra salt, then let it sit for 5 to 10 minutes so the acids and salt settle into the lentils. That finishing step makes the flavors sing.
4. For meal prep, the flavors improve after a day in the fridge. Reheat gently on the stove with a splash of broth to loosen the stew, and add fresh cilantro just before serving for contrast.

Sweet Potato Lentil Stew Recipe

Recipe by Jessica Freneli

0.0 from 0 votes

Servings

servings

Calories

293

kcal

Equipment: 1. Large Dutch oven or heavy-bottomed pot (or Instant Pot if using pressure method)
2. Cutting board
3. Chef’s knife
4. Vegetable peeler
5. Measuring cups and measuring spoons
6. Wooden spoon or heatproof spatula
7. Fine-mesh sieve or colander (for rinsing lentils)
8. Ladle
9. Can opener

Ingredients

2 tablespoons olive oil
1 large yellow onion, diced (about 1 1/2 cups)
2 medium carrots, peeled and diced (about 1 cup)
2 celery stalks, diced (about 3/4 cup)
3 garlic cloves, minced
1 tablespoon fresh ginger, grated or finely minced
1 1/2 pounds sweet potatoes, peeled and cut into 1/2 inch cubes (about 3 medium)
1 cup dried brown or green lentils, rinsed
1 (14 ounce) can diced tomatoes, undrained
2 tablespoons tomato paste
4 cups low sodium vegetable broth
1 cup water (adjust as needed)
1 teaspoon ground cumin
1 teaspoon smoked paprika
1/2 teaspoon ground coriander
1/2 teaspoon ground turmeric
2 bay leaves
1 teaspoon sea salt, plus more to taste
1/2 teaspoon freshly ground black pepper
1/4 teaspoon red pepper flakes, optional for heat
Juice of 1 lemon or lime (about 1 to 2 tablespoons), for finishing
Fresh cilantro or parsley, chopped, for garnish (about 1/4 cup)

Directions

Heat olive oil in a large pot or in the Instant Pot on Sauté setting; add diced onion, carrots, and celery and cook until softened, about 5 to 7 minutes.
Add garlic and ginger and cook 1 minute more until fragrant, then stir in cumin, smoked paprika, coriander, turmeric, red pepper flakes if using, salt, and pepper to toast the spices briefly.
Add sweet potato cubes, rinsed lentils, diced tomatoes with their juices, tomato paste, bay leaves, vegetable broth, and 1 cup water; stir to combine and scrape up any browned bits from the bottom.
For Instant Pot: secure lid, set to pressure cook on High for 10 minutes, then allow natural release for 10 minutes before quick releasing remaining pressure.
For stovetop: bring to a boil, reduce to a simmer, cover and cook 25 to 30 minutes until lentils and sweet potatoes are tender, stirring occasionally and adding extra water if it becomes too thick.
For slow cooker: transfer mixture to slow cooker and cook on Low for 6 to 8 hours or High for 3 to 4 hours until lentils and sweet potatoes are tender; stir once or twice if possible.
Remove bay leaves, taste and adjust seasoning with more salt, pepper, or red pepper flakes as desired; if stew is too thick add extra broth or water to reach desired consistency.
Stir in lemon or lime juice to brighten flavors and ladle into bowls.
Garnish with chopped cilantro or parsley and serve hot with optional crusty bread or rice.

Notes

Below you’ll find my best estimate of this recipe’s nutrition facts. Treat the numbers as a guide rather than a rule—great food should nourish both body and spirit. Figures are approximate, and the website owner assumes no liability for any inaccuracies in this recipe.