Butternut Squash and Lentil Soup

Featured in: Home Table Recipes

This wholesome soup brings together the sweetness of roasted butternut squash with protein-rich red lentils. The roasting process intensifies the squash's natural sugars, while earthy spices like cumin, coriander, and smoked paprika add warmth and depth. After roasting, everything simmers together until the lentils break down, creating an exceptionally smooth texture without heavy cream. The result is a filling, nutrient-dense bowl that feels luxurious yet comes together in just over an hour. Perfect for meal prep—the flavors deepen overnight, making it even better the next day.

Updated on Wed, 28 Jan 2026 16:17:00 GMT
Velvety butternut squash and lentil soup in a rustic bowl, garnished with cilantro and a coconut cream swirl.  Pin It
Velvety butternut squash and lentil soup in a rustic bowl, garnished with cilantro and a coconut cream swirl. | casaflavors.com

The first time the air turned sharp enough to see my breath, I knew I needed something thicker than broth. I found myself staring at a lonely butternut squash on the counter, wondering if lentils could bridge the gap between light soup and a hearty meal. The kitchen soon smelled like toasted cumin and sweet roasted vegetables. It felt like a warm hug on a Tuesday evening when the sun set too early. This blend has since become my go to for those quiet, chilly nights.

One rainy afternoon, I accidentally let the spices toast a few seconds too long, and that smoky aroma filled the whole house. My neighbor knocked on the door just to ask what was cooking because the scent traveled through the hallway. We ended up sharing a pot while sitting on my small kitchen rug. Food always tastes better when there is a spontaneous story attached to the steam rising from the bowl. It turned a gray day into something vibrant and memorable.

Ingredients

  • Butternut squash: Peeling this can be tricky, so I often microwave it for one minute to soften the skin before starting.
  • Carrots: These add an extra layer of earthy sweetness and help give the soup its vibrant orange glow.
  • Onion and garlic: These aromatics provide the savory backbone that prevents the squash from being too sweet.
  • Red lentils: These are the magic ingredient because they cook quickly and thicken the soup naturally as they break down.
  • Vegetable broth: Using a high quality broth provides a savory foundation that balances the natural sweetness of the vegetables.
  • Olive oil: A good oil helps the squash caramelize in the oven and carries the spice flavors in the pot.
  • Cumin and coriander: This duo provides a classic warmth that reminds me of spice markets and sunny afternoons.
  • Smoked paprika: This adds a subtle woodsy depth that makes the roasted vegetables taste even richer.
  • Cinnamon: Just a pinch makes the squash taste more like itself and adds a surprising warmth you cannot quite place.
  • Cayenne pepper: I add this sparingly just to provide a tiny flicker of heat at the back of the throat.

Instructions

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Roast the squash:
Toss your cubes onto a pan with oil and salt until the edges turn a beautiful caramelized brown. The smell of roasting squash is the true indicator that your kitchen is ready for comfort.
Sauté the base:
Toss your onions and carrots into the pot and listen for that gentle sizzle as they turn soft and translucent. This step builds the aromatic floor for all the flavors to dance on.
Bloom the spices:
Stir in the garlic and spices for just a minute until the air feels thick with the scent of the spices. Be careful not to let the garlic brown too much or it might turn bitter.
Simmer everything:
Add your roasted squash and lentils to the pot with the broth and let them bubble away quietly. You will know it is ready when the lentils look soft and have absorbed all that savory liquid.
Blend to perfection:
Use your immersion blender to turn the chunky mixture into a silky smooth sea of gold. The transformation from rustic stew to elegant puree is my favorite part of the process.
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A close-up of creamy butternut squash and lentil soup, with warm spices and a piece of crusty bread nearby.  Pin It
A close-up of creamy butternut squash and lentil soup, with warm spices and a piece of crusty bread nearby. | casaflavors.com

My youngest cousin used to hate anything orange, but the smooth texture of this soup finally won him over. He called it liquid gold and asked for seconds before I even finished my first bowl.

Choosing Your Squash

Look for a squash that feels heavy for its size and has a matte skin rather than a shiny one. A matte finish usually means the squash is fully ripe and will have a sweeter, more developed flavor when roasted.

The Power of the Garnish

A simple swirl of coconut cream looks beautiful and adds a fatty richness that cuts through the spices. I like to add a handful of toasted pumpkin seeds if I want a little crunch to contrast the velvet soup.

Making Ahead and Storing

This soup is actually better the next day because the spices have more time to mingle and deepen. If you find the texture has thickened too much in the fridge, just whisk in a splash of water while reheating.

  • Freeze individual portions in glass jars for a quick lunch on busy workdays.
  • Keep the garnishes separate until you are actually ready to eat.
  • A squeeze of fresh lemon juice right at the end brightens the whole pot.
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Homemade butternut squash and lentil soup served steaming hot, perfect for a chilly autumn dinner. Pin It
Homemade butternut squash and lentil soup served steaming hot, perfect for a chilly autumn dinner. | casaflavors.com

This soup is a quiet celebration of simple ingredients and patient cooking. I hope it brings as much warmth to your table as it has to mine.

Recipe FAQs

Can I use other types of lentils?

Red lentils work best because they break down during cooking, creating a smooth texture. Brown or green lentils hold their shape and won't puree as smoothly, though you can still use them if you prefer a chunkier consistency.

Do I have to roast the squash first?

Roasting develops a sweeter, more concentrated flavor that boiling can't achieve. However, you can skip roasting and simmer raw squash cubes directly in the broth—just add about 10-15 minutes to the cooking time.

How long does this keep in the refrigerator?

This soup stores beautifully for 4-5 days in an airtight container. The flavors actually improve overnight as the spices continue to meld. Reheat gently on the stove, adding a splash of water or broth if it has thickened.

Can I freeze this soup?

Absolutely. Cool completely before transferring to freezer-safe containers. It keeps well for up to 3 months. Thaw overnight in the refrigerator, then reheat slowly on the stove, stirring occasionally.

What can I serve with this?

Crusty bread, naan, or warm pita are perfect for dipping. A simple green salad with vinaigrette balances the richness. For extra protein, top with toasted pumpkin seeds or a dollop of plant-based yogurt.

Butternut Squash and Lentil Soup

A velvety blend of roasted squash, red lentils, and aromatic spices creates this nourishing soup ideal for cold weather.

Prep Time
20 mins
Time to Cook
40 mins
Overall Time
60 mins
Created by Fiona Chambers


Skill Level Easy

Cuisine Type International

Makes 4 Portions

Dietary Details Vegan-Friendly, No Dairy, Gluten-Free

What You'll Need

Vegetables

01 1 medium butternut squash (approximately 2 pounds), peeled, seeded, and cubed
02 2 medium carrots, peeled and sliced
03 1 large onion, chopped
04 3 cloves garlic, minced

Legumes

01 3/4 cup red lentils, rinsed

Liquids

01 4 cups vegetable broth
02 1 cup water
03 2 tablespoons olive oil

Spices and Seasonings

01 1 teaspoon ground cumin
02 1/2 teaspoon ground coriander
03 1/2 teaspoon smoked paprika
04 1/4 teaspoon ground cinnamon
05 1/4 teaspoon cayenne pepper, optional to taste
06 Salt and black pepper to taste

Garnish

01 Fresh cilantro or parsley, chopped
02 Coconut cream or plant-based yogurt for swirl

How to Make It

Step 01

Preheat oven and prepare baking sheet: Preheat oven to 400 degrees Fahrenheit. Line a baking sheet with parchment paper.

Step 02

Season and roast butternut squash: Toss butternut squash cubes with 1 tablespoon olive oil, salt, and pepper. Spread evenly on prepared baking sheet and roast for 25 to 30 minutes until golden and tender.

Step 03

Sauté aromatics: Heat 1 tablespoon olive oil in a large pot over medium heat. Add onion and carrots; sauté for 5 to 7 minutes until softened.

Step 04

Toast spices: Add garlic, cumin, coriander, paprika, cinnamon, and cayenne if using. Sauté for 1 minute until fragrant.

Step 05

Combine and simmer: Stir in roasted squash, red lentils, vegetable broth, and water. Bring to a boil, then reduce to a simmer. Cook uncovered for 20 minutes until lentils and vegetables are very soft.

Step 06

Blend until smooth: Remove from heat. Use an immersion blender to puree soup until smooth and creamy, or transfer in batches to a countertop blender.

Step 07

Adjust consistency and seasoning: Return soup to low heat and adjust seasoning with salt and pepper to taste. If too thick, add additional water or broth as needed.

Step 08

Serve: Ladle into bowls and garnish with cilantro or parsley and a swirl of coconut cream or yogurt if desired.

Equipment Needed

  • Chef's knife
  • Cutting board
  • Baking sheet
  • Large pot
  • Immersion blender or countertop blender
  • Ladle

Allergy Info

Be sure to look over every ingredient for allergens, and talk to a health expert with any concerns.
  • If using coconut cream or yogurt, verify no coconut allergy
  • Verify that store-bought broth is certified gluten-free if required

Nutrition per Serving

Nutritional info is for general reference and isn't medical guidance.
  • Caloric Value: 220
  • Fats: 6 g
  • Carbohydrates: 36 g
  • Proteins: 7 g