This simple, one-pot Roasted Butternut Squash Soup is destined to become a staple on your fall and winter menu. Oven-roasted butternut squash becomes silky and sweet alongside tender onions, roasted garlic, and herbs. After roasting, everything is blended with warm broth until smooth. A splash of cream or olive oil, crunchy croutons, and a few crispy bacon bits make it an indulgent, yet satisfying main-dish soup.
Table of contents
- The perfect Roasted Butternut Squash Soup
- Is Butternut Squash Soup healthy?
- Ingredients for the soup
- How to prepare the soup
- Step by step
- How to serve Roasted Butternut Squash soup
- Tips, storage, and reheating this soup
The perfect Roasted Butternut Squash Soup
Calling any recipe “perfect” is bold, but this soup comes close because it’s both easy and adaptable. The roasting step develops a natural sweetness and deep flavor, and the final blend creates a luxuriously smooth texture. If you want a richer finish, stir in a little heavy cream, half-and-half, or a splash of unsweetened nut milk. The recipe is designed to roast everything in a single oven-safe pot, which means minimal prep and cleanup: roast, add warm broth, blend, and serve.
This one-pot method suits busy weeknights and relaxed weekend cooking alike. Use an oven or any oven-safe Dutch oven or deep casserole to roast the squash, onion, whole garlic, and herbs. The gentle roast mellows flavors and concentrates sweetness, making it possible to achieve a creamy, satisfying soup without added thickeners. With only a handful of main ingredients, this soup is straightforward to make and easy to customize.
If you enjoy simple vegetable soups that feel indulgent yet are nourishing, this dish will fit right into your rotation. Roasting vegetables before blending turns modest ingredients into a rich, velvety soup that’s full of flavor and comforting aroma.
Is Butternut Squash Soup healthy?
Butternut squash is nutrient dense and an excellent source of fiber and vitamins. A single cup of cooked squash offers fiber and an abundance of vitamin A, along with other vitamins and minerals. This recipe relies primarily on roasted vegetables, aromatics, herbs, and broth, so it’s a wholesome and nutritious option. You can keep it lighter by using vegetable broth or make it richer with a small amount of cream when serving.
Ingredients for the soup
- 3-pound butternut squash, peeled, seeded, and cut into large chunks. (If you buy precut squash, use about 2 pounds.)
- 1 sweet onion, peeled and cut into large chunks
- 2 small sprigs fresh rosemary
- 2 sprigs fresh thyme
- 1 head fresh garlic, top trimmed to expose the cloves
- 1/4 cup extra virgin olive oil
- 3 cups chicken broth (or vegetable broth for a vegetarian/vegan version)
How to prepare the soup
Preheat oven to 375°F (190°C).
- Roast the vegetables
In a 5- or 6-quart oven-safe Dutch oven or deep casserole, combine the butternut squash, sweet onion, whole garlic head, and fresh herbs. Drizzle generously with extra virgin olive oil, then cover the pot with its lid or a tight layer of foil. Roast for about 45 minutes, or until the vegetables are very tender.
- Prepare the roasted garlic and herbs
Remove the pot from the oven and take off the lid. Carefully lift out the roasted garlic head and let it cool slightly. Remove any loose papery skins, then squeeze the roasted garlic cloves out of their skins and return them to the pot. Strip the herb leaves from the stems and add the leaves to the vegetables, or discard the stems and leave the herbs out if you prefer a milder herb presence. Warm the broth before adding it to the pot.
- Puree the soup
Pour the warm broth into the pot. Using an immersion blender, blend the soup until completely smooth and creamy. If you’re using a countertop blender, work in batches and fill the blender no more than three-quarters full; return blended batches to the pot. Adjust the broth to reach your desired consistency. Taste and season with salt and pepper as needed. Note: if using an enameled pot, protect the surface with a silicone guard on your blender if available.
- Finish and serve
Reheat the pureed soup gently if necessary. Serve hot with your favorite toppings.
Step by step
How to serve Roasted Butternut Squash soup
Toppings bring this soup to life. Popular choices include crispy bacon, homemade or store-bought croutons, a drizzle of extra virgin olive oil, a swirl of cream or half-and-half, and freshly cracked black pepper. Seeds and nuts like toasted pepitas or chopped walnuts add crunch and contrast. Cheese options such as grated Parmesan or crumbled feta work well, and a spoonful of cooked wild rice can make the soup heartier. Be bold and choose combinations that suit your taste.
Tips, storage, and reheating this soup
Yes. Roasted vegetables blend into a naturally creamy texture. For an even richer result, stir in heavy cream, half-and-half, or a creamy plant-based milk before serving.
Absolutely. Portion the soup into airtight containers or freezer bags and freeze for future meals. Thaw in the refrigerator before reheating for best results.
Defrost in the refrigerator overnight, then reheat gently on the stovetop over low heat until warmed through. Stir occasionally to maintain a smooth texture.
Store in airtight containers for 3–5 days. If you add dairy, plan to eat it within 3–4 days for best quality.
Yes. Using vegetable broth makes this recipe vegetarian and easily adaptable to a vegan version if you omit dairy toppings.
If you try this recipe, feel free to leave a comment and share your favorite toppings or variations.
All content and photographs ©Claudia’s Table and claudiastable.com
One Pot Roasted Butternut Squash Soup
Ana Coronado
Ingredients
One Pot Roasted Butternut Squash Soup
- 3 pound butternut squash, peeled, seeded, and cut into large chunks.
- 1 whole sweet onion, medium, peeled and cut into chunks
- 2 small sprigs fresh rosemary
- 2 sprigs fresh thyme
- 1 whole head fresh garlic, top removed to expose cloves
- 1/4 cup extra virgin olive oil
- 3 cups chicken broth (or vegetable broth)
Optional toppings
- Extra virgin olive oil, to drizzle
- Heavy cream or half-and-half, to drizzle
- Cooked bacon, crumbled
- Croutons, homemade or store-bought
- Toasted nuts or seeds
Instructions
How to make the Roasted Butternut Squash soup
- Preheat oven to 375°F (190°C).
- Place squash, onion, whole garlic head, and herbs in a 5–6 quart oven-safe Dutch oven or deep casserole. Drizzle with olive oil and cover tightly.
- Roast for 45 minutes or until the vegetables are very tender.
- Remove the pot from the oven. Take out the garlic head and discard any loose skins. Squeeze the roasted garlic cloves from their skins and return them to the pot.
- Remove herb stems, add the leaves to the pot if desired, and warm the broth.
- Pour warm broth over the roasted vegetables. Using an immersion blender, blend until smooth and creamy. If using a standard blender, work in batches and return the soup to the pot.
- Heat the soup through, adjust seasoning, and serve with your favorite toppings.
Notes
Nutrition
Calories: 296 kcal
Nutritional information is calculated as a guide and may vary.
All content and photographs ©Claudia’s Table and claudiastable.com
Check out our new & delicious posts below
- Simple Basil Pesto Vinaigrette (with 5 ingredients!)
- The Easiest And Most Delicious BBQ Chicken Pizza
- Easy Mexican Shrimp Cocktail (Coctel de Camarones)
- Flavorful Roasted Cauliflower Salad Recipe
- Bacon Onion Jam with Chipotle