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The Flexitarian » Recipe » Roasted Butternut Squash Soup

Roasted Butternut Squash Soup

September 7, 2026 · Annabelle Randles Leave a Comment

5 from 1 vote

Jump to Recipe Jump to Video Print Recipe

This roasted butternut squash soup recipe is the ultimate autumn comfort: velvety smooth, naturally sweet, and beautifully spiced. Perfect for chilly evenings, it’s a simple, nourishing recipe that celebrates the best of seasonal produce.

Roasted Butternut squash Soup in a white bowl with croutons and coriander

Roasted Butternut Squash Soup: A Comforting Autumn Bowl

As we step into autumn, soups are back on my weekly meal rotation and this roasted butternut squash soup is a seasonal favourite. Smooth and velvety, it has a comforting orange glow. It is a wholesome, nourishing, and satisfying low-fat recipe, that’s simple enough to prepare on a busy weekday. I like to top it up with crunchy croutons, a scattering of fresh coriander, and a dollop of dairy-free yoghurt.

Roasting the butternut squash, rather than simply sautéing it, brings out a deeper, richer and nutty flavour. I am also adding ginger and cumin for extra warmth.

Once roasted, the squash is blended with vegetable stock and the aromatic spice blend until smooth and luxurious, with no cream needed.

It’s a butternut squash soup you’ll return to throughout the season, whether served as a light lunch, a warming starter, or a cosy dinner.

Why You’ll Love This Roasted Butternut Squash Soup

  • Seasonal favourite – the natural sweetness of roasted butternut squash makes this soup perfect for autumn.
  • Comforting and cosy – smooth, velvety texture with a warming orange glow.
  • Wholesome and nourishing – this butternut squash soup is packed with vitamins, fibre and antioxidants, while remaining low in fat.
  • Simple to make – easy to prepare with just a few ingredients and straightforward steps.
  • Versatile – can be served as a light lunch, a hearty starter, or a satisfying supper.
  • Make-ahead friendly – this squash soup keeps well in the fridge or freezer for busy days.

Other Winter Soup Recipes To Try

  • Chestnut Soup
  • Carrot Top Soup
  • Easy Pumpkin Soup with Chinese Five-Spice
  • Mulligatawny Soup

Watch How To Make This Roasted Butternut Squash Soup


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Step-by-Step Recipe Instructions

To make this roasted butternut squash soup, you will need:

Ingredients

To make this roasted butternut soup, you will need:

  • butternut squash
  • vegetable oil
  • onion
  • garlic
  • ginger
  • ground cumin
  • vegetable stock
  • lemon
  • maple syrup
  • salt & peppe

TOPPINGS:

  • Croutons
  • Fresh coriander sprigs
  • Cream or Yoghurt

Step 1: Prepare the Butternut Squash

Peel and cut the butternut squash into chunks. Scatter on an oven tray and drizzle with vegetable oil.

Roast in the oven at 210°C (410°F) for 30 to 40 minutes until the squash is soft and start to caramelise.

roasting Butternut squash in olive oil on oven tray

Step 2: Fry the Aromatics

Heat 2 Tbsp vegetable oil in a stockpot over medium-high heat. Add the onion and fry until the onion is soft and golden, about 8-10 minutes.

Add the garlic, ginger and cumin. Fry for 30 seconds.

frying aromatics for butternut squash soup

Step 3: Blend the Roasted Butternut Squash Soup

Transfer the roasted butternut to the stockpot. Add the vegetable stock.

Using a handheld blender, liquidise the soup until you get your desired consistency. Add more stock if necessary.

liquidising roasted butternut squash soup

Step 4: Season and Serve

Season to taste with lemon juice, maple syrup, extra cumin (optional), and salt & pepper. Serve with your chosen toppings.

Roasted Butternut Soup side view with spoon

Make Ahead and Storage

One of the best things about this roasted butternut squash soup is how well it keeps so it can easily be added to your meal prep rotation.

Refrigerator Storage

Cool the soup completely, then store in an airtight container in the refrigerator for up to 4-5 days. Reheat gently on the stovetop or in the microwave, stirring occasionally.

Freezer Storage

For longer storage, freeze the squash soup in airtight containers or heavy-duty freezer bags for up to 3 months. Leave some space for expansion if using containers. Thaw overnight in the refrigerator before reheating.

Reheating Tips

  • Stir well before and during reheating to ensure even heating.
  • Add more stock to thin the soup if necessary.

I hope you enjoy this roasted butternut squash soup recipe as much as we do. If you do make this recipe, don’t forget to tag me on Instagram!

Roasted Butternut Squash Soup

Roasted Butternut Squash Soup Recipe

Warm, creamy, and full of flavour, this roasted butternut soup recipe is a true seasonal favourite. Made with just a few ingredients and simple spices, it’s wholesome, comforting, and effortlessly delicious.
5 from 1 vote
DieTARY CHOICEDairy-Free Recipes, Egg-Free Recipes, Gluten-Free Recipes, High Fibre Recipes, Nut-Free Recipes, Soya-Free Recipes, Vegan Recipes
Print Recipe Add to Shopping ListAdd to Shopping List Pin Recipe
Prep Time 10 minutes mins
Cook Time 40 minutes mins
Total Time 50 minutes mins
Course Hearty Vegan & Vegetarian Soup Recipes
Cuisine English
Servings 6 servings
Calories 154 kcal

Equipment

1 stockpot
1 oven tray
1 handheld blender or blender

Disclaimer: the equipment list above includes affiliate links to products I use and like.

Watch How To Make This Recipe

Ingredients
 
 

  • 1.5 kg butternut squash
  • vegetable oil
  • 1 onion diced
  • 3 garlic cloves grated
  • 2 tsp freshly grated ginger
  • 1 tsp ground cumin
  • 750 ml to 1 litre hot vegetable stock
  • 1 lemon
  • 2 Tbsp maple syrup
  • salt & pepper
  • 1/2 tsp ground cumin optional

TOPPINGS:

  • Croutons
  • Fresh coriander sprigs
  • Cream or Yoghurt
(Switch on to prevent your screen from going dark)

Instructions
 

  • Peel and cut the butternut into chunks. Scatter on an oven tray.
    1.5 kg butternut squash
  • Drizzle with vegetable oil.
    vegetable oil
  • Roast in the oven at 210°C (410°F) for 30 to 40 minutes until the butternut is soft and start to caramelise.
  • Heat 2 Tbsp vegetable oil in a stockpot over medium-high heat. Add the onion and fry until the onion is soft and golden, about 8-10 minutes.
    1 onion
  • Add the garlic, ginger and cumin. Fry for 30 seconds.
    3 garlic cloves, 2 tsp freshly grated ginger, 1 tsp ground cumin
  • Transfer the roasted butternut to the stockpot.
  • Add the vegetable stock.
    750 ml to 1 litre hot vegetable stock
  • Using a handheld blender, liquidise the soup until you get your desired consistency. Add more stock if necessary.
  • Season to taste with lemon juice, maple syrup, extra cumin (optional), and salt & pepper.
    1 lemon, 2 Tbsp maple syrup, salt & pepper, 1/2 tsp ground cumin
  • Serve with your chosen toppings.
    Croutons, Fresh coriander sprigs, Cream or Yoghurt

Nutritional Information

Nutrition Facts
Roasted Butternut Squash Soup Recipe
Serving Size
 
1 serving
Amount per Serving
Calories
154
% Daily Value*
Fat
 
0.4
g
1
%
Saturated Fat
 
0.1
g
1
%
Polyunsaturated Fat
 
0.1
g
Monounsaturated Fat
 
0.1
g
Sodium
 
509
mg
22
%
Potassium
 
962
mg
27
%
Carbohydrates
 
40
g
13
%
Fiber
 
6
g
25
%
Sugar
 
12
g
13
%
Protein
 
3
g
6
%
Vitamin A
 
26848
IU
537
%
Vitamin C
 
64
mg
78
%
Calcium
 
142
mg
14
%
Iron
 
2
mg
11
%
* Percent Daily Values are based on a 2000 calorie diet.
Keyword autumn soup, butternut squash, butternut squash soup, roasted butternut squash soup, soup

Find this recipe online:

Roasted Butternut Squash Soup Recipe

https://theflexitarian.co.uk/recipe-items/roasted-butternut-squash-soup/

DID YOU MAKE THIS RECIPE? Leave a review in the comments below! or share it on Instagram tagging @theflexitarianuk.

I cannot wait to see your posts!

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