Anna Louise Butternut squash soup is the soup that converts people who think they do not like soup. Velvety smooth, naturally sweet, warmly spiced, and a colour so vivid and beautiful — that deep golden orange — that it looks impressive before anyone has tasted a spoonful.
Mary Berry’s butternut squash soup roasts the squash first rather than boiling it — the same principle as the pumpkin soup recipe on this site, and for the same reason.
Roasting caramelises the natural sugars in the squash, concentrates its flavour, and develops a complexity that boiling simply cannot replicate. The difference between a roasted butternut squash soup and a boiled one is immediately and completely apparent.
This soup is the one I make more than any other from September through to March. It is genuinely effortless — the oven does most of the work — and it produces something that tastes far more impressive than the effort required.
Why Roasting Makes All the Difference
Roasting butternut squash at 200°C for 35 to 40 minutes does three things that boiling cannot.
It caramelises the natural sugars. The edges of the squash develop a golden, slightly caramelised crust that adds a subtle sweetness and depth impossible to achieve in liquid.
It concentrates the flavour. Water evaporates during roasting, concentrating the squash’s flavour in the remaining flesh. Boiled squash dilutes its flavour into the water.
It develops a more complex, rounded taste. The Maillard reaction — the browning of amino acids and sugars — produces hundreds of new flavour compounds during roasting. Boiling produces none of them.
Always roast. The extra 40 minutes is almost entirely hands-off and completely worth it.
Ingredients for Mary Berry Butternut Squash Soup
For the Roasted Squash
- 1.5kg butternut squash, deseeded and cut into large wedges (skin on)
- 3 tbsp olive oil
- 1 tsp ground cumin
- 1 tsp ground coriander
- ½ tsp ground cinnamon
- ½ tsp smoked paprika
- Salt and freshly ground black pepper
For the Soup Base
- 40g unsalted butter
- 1 large onion, roughly chopped
- 2 garlic cloves, crushed
- 2cm fresh ginger, finely grated
- 1 litre good quality vegetable or chicken stock
- 150ml double cream or coconut cream
- Juice of ½ lemon
- Pinch of cayenne pepper
To Serve
- A swirl of cream or crème fraîche
- Toasted pumpkin seeds
- A pinch of smoked paprika
- Fresh coriander leaves
- Crusty bread
How to Make Mary Berry Butternut Squash Soup — Step by Step
Step 1 — Roast the Squash
Preheat your oven to 200°C / 180°C fan / Gas 6. Place the squash wedges on a large roasting tray. Drizzle with olive oil and sprinkle over the cumin, coriander, cinnamon, smoked paprika, salt, and pepper. Toss to coat evenly.
Roast for 35 to 40 minutes until the flesh is completely tender and caramelising at the edges. Leave to cool for 10 minutes then scoop the flesh from the skins with a large spoon. Discard the skins.
Step 2 — Soften the Aromatics
While the squash roasts, melt the butter in a large saucepan over a medium heat. Add the onion and cook gently for 8 to 10 minutes until completely softened. Add the garlic and ginger and cook for another minute.
Step 3 — Combine and Simmer
Add the roasted squash flesh to the pan. Pour in the stock and stir to combine. Bring to a gentle simmer and cook for five minutes to allow the flavours to meld.
Step 4 — Blend
Remove from the heat and blend until completely smooth with a stick blender or in batches in a standard blender. Butternut squash blends to an extraordinarily silky, velvety consistency — blend for at least two full minutes for the best result.
Step 5 — Finish and Season
Return to the hob over a low heat. Stir in the cream or coconut cream, lemon juice, and cayenne pepper. Warm through gently — do not boil. Taste and season generously with salt and pepper.
Step 6 — Serve
Ladle into warm bowls. Swirl cream or crème fraîche over the surface. Scatter toasted pumpkin seeds, a pinch of smoked paprika, and fresh coriander. Serve immediately with crusty bread.
My Top Tips For Mary Berry Butternut Squash Soup
Always roast the squash first. The flavour difference between roasted and boiled butternut squash soup is dramatic. Roasting takes 40 minutes of hands-off oven time — it is absolutely worth it.
Season the squash before roasting. Tossing the wedges in spiced oil before roasting means the spices cook into the flesh during roasting rather than just sitting on top. The flavour penetrates more deeply.
Use coconut cream for a dairy-free version with extra depth. Butternut squash and coconut cream is an exceptional combination — the natural sweetness of both ingredients complement each other beautifully. If you have not tried it, make this soup with coconut cream once.
Add fresh ginger. Freshly grated ginger added with the garlic gives the soup a bright, slightly spicy warmth that lifts the sweetness of the squash and makes it more interesting. Do not skip it.
Finish with lemon juice. Butternut squash is very sweet. The lemon juice cuts through the sweetness and prevents the soup from tasting one-dimensional. Add it at the end and taste the difference.
Serving Suggestions
As an elegant dinner party starter in small bowls — the colour is stunning. As a warming weekday lunch with crusty bread. In a thermos for a cold autumn walk. As a simple supper with warm naan bread alongside.
How to Store Mary Berry Butternut Squash Soup
In the fridge: Store in an airtight container for up to 4 days. Reheat gently on the hob, adding a splash of stock if it has thickened too much.
In the freezer: Freeze before adding the cream for up to 3 months. Defrost overnight in the fridge, reheat gently, and stir in the cream once warm
Mary Berry Butternut Squash Soup Recipe
Ingredients
Method
- Preheat oven to 200°C / 180°C fan / Gas 6. Toss squash wedges with spiced oil. Roast 35–40 minutes until tender and caramelising. Cool slightly. Scoop flesh from skins.
- Cook onion in butter 8–10 minutes until soft. Add garlic and ginger — cook 1 minute.
- Add roasted squash flesh. Pour in stock. Simmer 5 minutes.
- Blend until completely smooth — at least 2 minutes.
- Return to low heat. Stir in cream, lemon juice, and cayenne. Warm through — do not boil. Season generously.
- Ladle into warm bowls. Swirl cream, scatter seeds, paprika, and coriander. Serve with crusty bread.
Notes
Frequently Asked Questions
Can I use pre-cut butternut squash?
Yes — pre-cut butternut squash from the supermarket saves preparation time and works perfectly. Toss in the spiced oil and roast as directed.
Can I make this without roasting the squash?
You can add raw squash directly to the stock and boil until tender — about 20 minutes. The result is still pleasant but noticeably less deep in flavour. Roasting is always worth the extra time.
Why is my soup not thick enough?
Either the squash was very watery — sometimes happens with large, older squash — or not enough squash was used. Simmer the blended soup uncovered for 10 minutes to reduce and concentrate it.
Can I add chilli to this soup?
Yes — a small deseeded red chilli added with the garlic and ginger gives a pleasant warmth that works beautifully with the sweet squash. Alternatively, increase the cayenne pepper.
What is the difference between this and the pumpkin soup recipe?
The method is virtually identical. Butternut squash is generally more widely available, more consistently flavoured, and easier to prepare than pumpkin. Both produce excellent soups with the same technique.
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