This Smoky Low-Calorie Butternut Squash Soup is smooth, cozy, and full of flavor, with only about 140 calories per bowl. Roasted squash, onion, and garlic get a warm lift from smoked paprika and cumin.

It’s light but still filling, thanks to plenty of fiber. Make it for an easy fall dinner, a weekday lunch, or any time you want a reset after heavy meals.

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Why This Butternut Squash Soup Works

Roasting is the key step. Boiled squash tastes fine, but roasting at 400°F browns the edges and brings out its natural sweetness. That deeper flavor means you don’t need cream or butter to make the soup taste rich.

Smoked paprika adds a gentle, campfire-like smokiness that balances the sweet squash. Cumin adds warmth. A squeeze of lemon at the end wakes everything up. Once blended, the squash turns silky on its own, so the soup feels creamy even without dairy. It’s also vegan and gluten free as written.

Ingredients and Easy Swaps

• Butternut squash: One medium squash, about 2.5 pounds, peeled and cubed. Pre-cut squash from the store saves a lot of time.
• Olive oil: One tablespoon for roasting. Cooking spray cuts the fat further.
• Onion and garlic: One small yellow onion and 3 garlic cloves build the base. A shallot works in place of the onion.
• Spices: Smoked paprika, cumin, salt, and black pepper. No smoked paprika? Use regular paprika with a pinch of chipotle powder.
• Vegetable broth: Four cups of low-sodium broth. Chicken broth works if you don’t need it vegetarian.
• Lemon juice: Half a lemon adds brightness. Apple cider vinegar is a fine backup.
• Almond milk (optional): A quarter cup of unsweetened almond milk makes it a little creamier. Light coconut milk or regular milk also work.
• Garnish: Fresh thyme or parsley.

How to Make It at a Glance

1. Roast the squash: Toss the cubes with oil and roast on a lined sheet pan at 400°F for 25 to 30 minutes, until tender and lightly browned.
2. Cook the aromatics: Soften the onion in a splash of broth or oil for 4 to 5 minutes. Add garlic, paprika, cumin, salt, and pepper and cook 1 minute.
3. Simmer: Add the roasted squash and broth. Bring to a boil, then simmer for 10 minutes.
4. Blend: Puree with an immersion blender, or carefully in batches in a regular blender.
5. Finish: Stir in lemon juice and almond milk if using. Taste, adjust the seasoning, and simmer 2 more minutes.

Kitchen Tool Tips

• Immersion blender: I use one in nearly every soup. It blends right in the pot, which saves time and cleanup.
• Silicone baking mat: It helps the squash roast evenly without sticking, so you can use less oil.
• 6-quart soup pot: A roomy pot makes simmering and stirring easy.

Common Mistakes to Avoid

Crowding the pan. Packed-together squash steams instead of browning. Spread it in a single layer and use two pans if you need to.

Blending hot soup in a sealed blender. Steam builds up and can blow the lid off. Fill the blender only halfway, remove the center cap, and cover it with a folded towel.

Peeling squash the hard way. Microwave the whole squash for 2 to 3 minutes first. The skin softens and comes off much easier with a vegetable peeler.

Skipping the lemon. Without acid, the soup can taste flat. Add it at the end, then taste and add salt if needed.

Variations to Try

• Add apple: Roast one peeled, chopped apple with the squash for a sweet and tangy twist.
• Carrot boost: Swap a third of the squash for carrots. The color stays bright orange and the cost goes down.
• Curry style: Trade the smoked paprika for 1 teaspoon of curry powder and use light coconut milk.
• Crunchy topping: Toast pepitas in a dry skillet for 2 to 3 minutes and sprinkle them on top.

Nutritional Information

Per serving:

• Calories: 140
• Fat: 4g
• Carbohydrates: 26g
• Protein: 3g
• Fiber: 5g
• Sodium: 460mg

How to Serve

Garnish each bowl with fresh thyme or parsley, a sprinkle of smoked paprika, or a swirl of almond milk. Pair it with a crisp green salad or roasted chickpeas for crunch. Whole grain bread, a grilled cheese, or a turkey sandwich turns it into a heartier family meal.

Storage and Freezer-Friendly Prep

• Store leftovers in an airtight container in the fridge for up to 4 days.
• Freeze for up to 3 months. Cool it completely before moving it to freezer-safe bags or containers.
• Reheat gently on the stove or in the microwave, stirring now and then. Add a splash of broth if it has thickened.

Make a double batch and freeze it in single portions. Thaw overnight in the fridge or reheat from frozen over low heat. It’s great for weekly meal prep or a quick comfort meal on a busy night.

FAQ

Can I make this without roasting the squash?
Yes. Simmer the raw cubed squash in the broth for 20 to 25 minutes until soft. Roasting gives more flavor, though.

What can I use instead of smoked paprika?
Try regular paprika plus a pinch of chipotle powder or a dash of liquid smoke.

Is this soup spicy?
No. It’s smoky but mild. Add a pinch of cayenne if you want some heat.

Can I add protein to make it more filling?
Yes. Stir in cooked lentils or white beans, or top it with crispy tofu or roasted chickpeas.

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If you try this recipe, I’d love to hear your thoughts in the comments below.