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Spicy Butternut Sweet Potato Recipe: A Perfect Fall Side Dish
This spicy butternut sweet potato recipe combines the natural sweetness of roasted vegetables with warming spices to create a comforting dish perfect for cooler weather. The blend of butternut squash and sweet potatoes creates a creamy, flavorful soup that’s both nutritious and satisfying. With its rich coconut milk base and aromatic spices, this recipe delivers bold flavors while providing essential vitamins and minerals your body craves during fall and winter months.
Why You'll Love This Recipe
- Packed with immune-boosting vitamins A and C from butternut squash and sweet potatoes, perfect for staying healthy during cold season
- Budget-friendly ingredients that cost under $15 total and serve 8 people generously, making it ideal for family meals
- Naturally vegan and dairy-free thanks to coconut milk, accommodating various dietary preferences without sacrificing creaminess
- Make-ahead friendly recipe that tastes even better the next day, perfect for meal prep and busy weeknight dinners
- Customizable spice level allows you to adjust heat from mild to fiery, pleasing both kids and spice lovers at the table
Why This Spicy Butternut Sweet Potato Recipe Works
The magic happens when you roast the vegetables first. This crucial step caramelizes their natural sugars, creating deeper, more complex flavors that can’t be achieved through boiling alone. The combination of cumin, cinnamon, and chili powder creates a warm spice profile that complements the vegetables’ sweetness.
Coconut milk adds richness without dairy, while the roasting process concentrates flavors and reduces cooking time. The result is a velvety soup with layers of taste that develop beautifully. This technique works because high heat transforms simple ingredients into something extraordinary through the Maillard reaction.
What You’ll Need for Spicy Butternut Sweet Potato
Gathering quality ingredients makes all the difference in this recipe. Fresh butternut squash and sweet potatoes are essential, while the spice blend creates the signature warming heat. Most ingredients are pantry staples, making this an accessible recipe for home cooks.
Ingredients
Ingredient | Quantity (Approx) | Purpose / Notes |
---|---|---|
Butternut squash | 700-900g (1 small) | Provides natural sweetness and creamy texture |
Sweet potatoes | 275g (2 medium) | Adds earthiness and extra nutrients |
Yellow onion | 1 medium | Creates savory base and depth of flavor |
Garlic cloves | 3 pieces | Adds aromatic complexity when roasted |
Olive oil | 2 tablespoons | Enables proper roasting and caramelization |
Coconut milk | 400ml full-fat | Creates creamy texture without dairy |
Vegetable stock | 750ml | Provides liquid base and enhances flavor |
Ground cumin | 1 teaspoon | Adds warm, earthy spice notes |
Cinnamon | ½ teaspoon | Complements natural sweetness |
Chili powder | ¼ teaspoon | Provides mild heat and color |
Chili flakes | 1 teaspoon | Adds adjustable heat level |
Salt and pepper | To taste | Enhances all flavors |
Tools
Tool | Purpose |
---|---|
Large roasting tin | Allows vegetables to roast evenly without overcrowding |
Sharp knife | Essential for safely cutting hard butternut squash |
Cutting board | Provides stable surface for prep work |
Medium saucepan | Holds vegetables and liquid for cooking |
Immersion blender | Creates smooth, creamy texture efficiently |
Measuring cups | Ensures proper ingredient ratios |
How to Make Spicy Butternut Sweet Potato
This recipe transforms simple vegetables into a restaurant-quality soup through careful roasting and seasoning. The process is straightforward but requires attention to timing and temperature for best results.
Step | Instructions |
---|---|
1. Preheat and Prep | Preheat oven to 190ºC (375ºF). Peel and cut butternut squash and sweet potatoes into 2-inch chunks. Slice onion into half-moons. |
2. Season Vegetables | Place vegetables and garlic in roasting tin. Drizzle with olive oil, then sprinkle with cumin, cinnamon, chili powder, salt, and pepper. |
3. Roast | Roast for 30 minutes until tender and golden around edges. Vegetables should pierce easily with fork. |
4. Transfer and Add Liquid | Move roasted vegetables to saucepan. Pour in stock or water until vegetables are covered. Bring to boil. |
5. Cook Until Tender | Cook over high heat until vegetables are completely soft and falling apart, about 10-15 minutes. |
6. Blend Smooth | Using immersion blender, blend soup until completely smooth and creamy. Adjust consistency with more liquid if needed. |
7. Finish and Season | Stir in coconut milk and chili flakes. Taste and adjust seasoning with salt, pepper, and spices as desired. |
8. Serve | Ladle into bowls, swirl reserved coconut milk on top, and garnish with fresh coriander if desired. |
Chef's Helpful Tips
- Cut vegetables uniformly for even cooking – aim for 2-inch pieces that will roast at the same rate
- Don’t overcrowd the roasting tin as this causes steaming instead of proper caramelization
- Reserve 2 tablespoons of coconut milk before adding the rest for beautiful presentation swirls
- Taste and adjust spices after blending since roasting can mellow heat levels significantly
- Add liquid gradually when blending to control final consistency – you can always thin but can’t thicken easily
Serving and Storage Tips for Spicy Butternut Sweet Potato
This versatile soup works beautifully for various occasions, from casual family dinners to elegant dinner parties. Its vibrant orange color and aromatic spices make it particularly appealing during fall gatherings and holiday meals.
Serving Tips
Serve this soup hot with crusty bread or hearty main dishes for a complete meal. The soup pairs wonderfully with grilled cheese sandwiches or can be served as an elegant starter before roasted meats.
For storage, refrigerate leftovers for up to 4 days or freeze for up to 3 months. The flavors actually improve overnight, making this perfect for meal prep. Reheat gently on stovetop, adding liquid if needed to restore consistency.
Mistakes to Avoid while making Spicy Butternut Sweet Potato
Skipping the roasting step is the biggest mistake you can make. Boiling vegetables directly results in bland, watery soup without the depth of flavor that roasting provides. Always take time to properly caramelize your vegetables first.
Another common error is adding too much liquid initially. Start with less stock and add gradually until you reach desired consistency. Over-thinning the soup ruins the luxurious mouthfeel that makes this recipe special.
Don’t rush the cooking process. Vegetables need adequate time to become completely tender before blending. Undercooked pieces will create a grainy texture that won’t smooth out properly, even with extended blending.
You Must Know
- Butternut squash can be tricky to peel – microwave whole squash for 2-3 minutes to soften skin for easier removal
- Full-fat coconut milk is essential for proper creaminess – light versions will result in thin, less satisfying soup
- Spice levels can vary significantly between brands – start with less and build up heat gradually to your preference
- This soup freezes beautifully but may separate slightly – simply whisk while reheating to restore smooth texture
Suggestions for Spicy Butternut Sweet Potato
Transform this basic recipe into exciting variations by experimenting with different spice combinations. Try adding fresh ginger and curry powder for an Indian-inspired version, or incorporate smoked paprika for a deeper, smokier flavor profile.
For protein additions, consider stirring in cooked lentils or chickpeas to make this a complete meal. The soup also works beautifully as a sauce base for pasta dishes or grain bowls.
Garnish options are endless – try toasted pumpkin seeds, a dollop of Greek yogurt, fresh herbs, or even a drizzle of good olive oil. Each addition changes the character of the dish while maintaining its comforting essence.
For more inspiration, check out these butternut squash variations or explore spicy sweet potato alternatives for different flavor profiles.
FAQs:
While possible, skipping the roasting step significantly reduces flavor depth. Roasting caramelizes natural sugars and creates complex flavors that can’t be achieved through boiling alone. For best results, always roast your vegetables first.
Start with half the recommended chili powder and flakes, then taste and add more gradually. You can also remove seeds from chili flakes for milder heat, or add cayenne pepper for extra kick. Remember, you can always add more spice but can’t remove it.
Store in refrigerator for up to 4 days in airtight containers. For freezing, use freezer-safe containers leaving 1-inch headspace, and freeze up to 3 months. Thaw overnight in refrigerator before reheating gently on stovetop.
Heavy cream works as a substitute, though it changes the flavor profile. For dairy-free options, try cashew cream or silken tofu blended with vegetable broth. Avoid low-fat alternatives as they won’t provide the same richness.
Vegetables should be completely tender and easily pierced with a fork after roasting. During the simmering phase, they should be falling apart and mashable. This ensures smooth blending and proper texture in the final soup.
Conclusion
This spicy butternut sweet potato recipe delivers comfort food at its finest – nutritious, flavorful, and satisfying. The combination of roasted vegetables, warming spices, and creamy coconut milk creates a soup that’s both elegant enough for entertaining and simple enough for weeknight dinners.
With its impressive nutritional profile and budget-friendly ingredients, this recipe proves that healthy eating doesn’t require sacrificing taste or breaking the bank. The make-ahead friendly nature makes it perfect for busy schedules, while the customizable spice level ensures everyone at your table will love it.
Whether you’re looking for a cozy autumn meal or a vibrant starter for your next dinner party, this spicy butternut sweet potato soup delivers every time. Try pairing it with light desserts for a perfectly balanced meal that celebrates the season’s best flavors.
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📖 Recipe Card

Spicy Butternut Sweet Potato
- Total Time: 40 minutes
- Yield: 8 1x
Description
A warming and creamy soup that transforms roasted butternut squash and sweet potatoes into a restaurant-quality dish with aromatic spices and coconut milk.
Ingredients
- 700–900g (1 small) Butternut squash
- 275g (2 medium) Sweet potatoes
- 1 medium Yellow onion
- 3 pieces Garlic cloves
- 2 tablespoons Olive oil
- 400ml full-fat Coconut milk
- 750ml Vegetable stock
- 1 teaspoon Ground cumin
- ½ teaspoon Cinnamon
- ¼ teaspoon Chili powder
- 1 teaspoon Chili flakes
- To taste Salt and pepper
Instructions
- Preheat and Prep: Preheat oven to 190ºC (375ºF). Peel and cut butternut squash and sweet potatoes into 2-inch chunks. Slice onion into half-moons.
- Season Vegetables: Place vegetables and garlic in roasting tin. Drizzle with olive oil, then sprinkle with cumin, cinnamon, chili powder, salt, and pepper.
- Roast: Roast for 30 minutes until tender and golden around edges. Vegetables should pierce easily with fork.
- Transfer and Add Liquid: Move roasted vegetables to saucepan. Pour in stock or water until vegetables are covered. Bring to boil.
- Cook Until Tender: Cook over high heat until vegetables are completely soft and falling apart, about 10-15 minutes.
- Blend Smooth: Using immersion blender, blend soup until completely smooth and creamy. Adjust consistency with more liquid if needed.
- Finish and Season: Stir in coconut milk and chili flakes. Taste and adjust seasoning with salt, pepper, and spices as desired.
- Serve: Ladle into bowls, swirl reserved coconut milk on top, and garnish with fresh coriander if desired.
Notes
- Cut vegetables uniformly for even cooking – aim for 2-inch pieces that will roast at the same rate
- Reserve 2 tablespoons of coconut milk before adding the rest for beautiful presentation swirls
- Taste and adjust spices after blending since roasting can mellow heat levels significantly
- Add liquid gradually when blending to control final consistency – you can always thin but can’t thicken easily
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Category: Soup
- Method: Roasting
- Cuisine: International
Nutrition
- Serving Size: 1 serving
- Calories: 185 calories
- Sugar: 8g
- Sodium: 320mg
- Fat: 10g
- Saturated Fat: 7g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 22g
- Fiber: 4g
- Protein: 4g
- Cholesterol: 0mg
Keywords: spicy butternut sweet potato, butternut squash soup, sweet potato soup, roasted vegetable soup, coconut milk soup, warming spices