The Best Creamy Sweet Potato and Carrot Soup

Creamy sweet potato and carrot soup is a smooth, warming bowl built on naturally sweet root vegetables, garlic, ginger and gentle spice. Velvety, budget-friendly and ready in one pot in under an hour, it is the kind of cosy soup that suits both beginners and confident cooks.

Sweet potato and carrot soup is a smooth, blended root vegetable soup made with sweet potatoes, carrots, onion, garlic and fresh ginger, finished with a splash of double cream. The base is gently sautéed, simmered in vegetable stock with cumin and ground coriander, then puréed until silky in a single pot.

It costs very little to make, freezes well for up to three months, and adapts easily from mild and creamy to a spicy sweet potato soup with a handful of chilli flakes. It is filling, naturally sweet, and genuinely simple to get right every time.

Ingredients for Sweet Potato and Carrot Soup

• Olive oil – cooks the base gently and starts building flavour from the first few minutes.
• Onion – softens into a sweet, savoury foundation once cooked over medium heat until golden.
• Garlic – brings savoury depth and aroma that balances the sweetness of the vegetables.
• Carrots – reinforce the natural sweetness and deepen the warm orange colour of the soup.
• Fresh root ginger – adds gentle warmth and a subtle, fresh kick behind the sweetness.
• Sweet potatoes – give the soup its body, colour and velvety texture when blended.
• Cumin – brings a warm, earthy note that lifts a simple soup into something fragrant.
• Ground coriander – adds a mild citrus warmth that pairs naturally with the sweet vegetables.
• Dried parsley – a light herbal background note that rounds out the spices.
• Vegetable stock – the cooking liquid; use homemade or cube-dissolved and adjust for thickness.
• Double cream – stirred in at the end for richness and a smooth, creamy finish.
• Salt and freshly ground black pepper – always adjusted at the very end, after blending.
• Fresh red chilli or chilli flakes – for anyone who wants a spicy sweet potato soup variation.

If you want to play with it, smoked paprika, a pinch of turmeric, or coconut milk in place of cream all work beautifully. A squeeze of lemon at the end adds brightness..

How to Make Sweet Potato and Carrot Soup:

This easy sweet potato and carrot soup comes together in four straightforward steps in one large pot, which keeps the washing-up to a minimum.

1. Step 1: Heat the olive oil in a large pot with a lid over medium heat. Add the onion and garlic and cook until soft and lightly golden, stirring now and then. Stir in the ginger and cook for another couple of minutes so the flavours open up.

2. Step 2: Add the carrots and cook for about 5 minutes until they start to soften. Tip in the cubed sweet potatoes and cook for a couple of minutes more, stirring so nothing catches on the bottom.

3. Step 3: Sprinkle in the cumin, ground coriander and parsley and stir well so the vegetables are evenly coated. Pour in just enough vegetable stock to cover the vegetables. Do not add salt yet. Cover with the lid, reduce the heat, and simmer gently for 20 minutes until the carrots and sweet potatoes are soft.

4. Step 4: Blend the soup until smooth using a hand blender straight in the pot, or transfer it to a blender jug in batches. Stir in the double cream. If the soup is too thick, loosen it with a little more hot stock. Season with freshly ground black pepper and adjust the salt. Serve hot with sliced fresh chilli or a pinch of chilli flakes.

How to Serve and Store Sweet Potato and Carrot Soup

I love serving sweet potato and carrot soup with crusty sourdough or warm flatbread for dipping. For a little extra, scatter over toasted seeds, swirl in some cream, or add crispy roasted chickpeas for texture and crunch. To turn it into a light dinner, pair it with a simple green salad alongside.

Store leftovers in an airtight container in the fridge for up to three days. The soup also freezes beautifully for up to three months; reheat gently over medium heat and stir well before serving so the texture comes back together.

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How Much Does Sweet Potato and Carrot Soup Cost to Make

One of the best things about this carrot and sweet potato soup is how little it costs to put on the table.

• In the UK, a full pot of four to five servings comes in at roughly £2.50–£3.50, or about 55–70p per serving, with sweet potatoes and carrots cheap and easy to grab at Tesco, Aldi or Lidl.
• In Ireland, the same pot lands around €3.50–€4.50, near 75–90c a serving, with everything available at Dunnes, Tesco or SuperValu.
• In the USA, expect around $4–$5.50 for the whole batch, roughly $0.85–$1.10 per bowl, with sweet potatoes inexpensive year-round at Walmart, Kroger or Aldi.
• In Australia, a pot runs about AUD $5–$7, near $1–$1.40 per serving, with sweet potato (often sold as kumara) widely stocked at Woolworths and Coles.
• And in Canada, the full pot sits around CAD $5–$6.50, roughly $1–$1.30 a serving, with carrots and sweet potatoes affordable at Loblaws, No Frills or Walmart. Whichever country you are in, this stays a genuinely budget-friendly soup.

Top Tips for the Best Sweet Potato and Carrot Soup

• Choose firm, orange-fleshed sweet potatoes for the best result. They give the soup its vibrant colour and the deepest natural sweetness, which is what makes this recipe work without much added sugar or spice. Firmer potatoes also hold their structure better while cooking, so they break down evenly rather than turning slushy. Avoid any that are soft, sprouting or bruised, as these affect both the flavour and the final texture.
• Cube your carrots and sweet potatoes to a similar size before cooking. Even-sized pieces simmer at roughly the same rate, which means everything reaches that soft, blendable stage together. If some chunks are much larger, they stay firm in the middle while the smaller ones overcook. Consistent cubes are a small step that makes a real difference to a silky finish.
• Take your time softening the onion at the start. Cooking it gently over medium heat until golden draws out its natural sweetness and builds the savoury base the whole soup sits on. Rushing this stage on high heat scorches the edges and gives a slightly bitter note that carries through to the end. A patient few minutes here pays off in the depth of the finished bowl.
• Add the stock to just cover the vegetables, not drown them. Starting with less liquid keeps the flavour concentrated and gives you control over the final thickness. You can always loosen the soup with extra hot stock after blending, but you cannot easily thicken it back up once it is too thin. This is the easiest way to land on the consistency you actually want.
• Season at the very end, after blending. Stock cubes vary a lot in saltiness between brands, so adding salt early risks a soup that tastes flat or far too salty once it reduces. Tasting after the cream goes in lets you judge the real balance of the finished dish. A final crack of black pepper at this stage lifts everything.
• Adjust the ginger to your own taste. A little brings gentle warmth and a fresh lift behind the sweetness, which is what most people want from this soup. Too much, though, can dominate and tip the balance away from the mellow root vegetables. Start on the lighter side, blend, then taste before deciding whether to grate in a little more.

Sweet Potato and Carrot Soup FAQ

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Sweet Potato and Carrot Soup Recipe

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Creamy sweet potato and carrot soup is a smooth, warming, one-pot soup made with sweet potatoes, carrots, garlic, ginger and gentle spices. It is comforting, budget-friendly and easy to prepare, with a velvety texture and a balance of natural sweetness and subtle warmth. Mild as it is or spiced up with chilli, it works every time.

Ingredients

• 2 tablespoon olive oil
• 1 large onion, roughly chopped
• 4–5 garlic cloves, crushed and chopped
• 2 large carrots, peeled and cut into rounds
• 2–3 cm fresh root ginger, peeled and sliced
• 4–5 sweet potatoes, peeled and roughly cubed (about 800 g / 1 lb 12 oz)
• ½ teaspoon ground cumin
• ½ teaspoon ground coriander
• ½ teaspoon dried parsley
• 1 litre vegetable stock (4 cups)
• 100 ml double cream (heavy cream) (⅓ cup + 1 tbsp)
• Salt, to taste
• Freshly ground black pepper, to taste
• Fresh red chilli or chilli flakes, for serving

Instructions

1. Heat the olive oil in a large pot over medium heat. Add the chopped onion and garlic and cook gently, stirring often, until the onion is soft and lightly golden. Stir in the sliced ginger and cook for another 2 minutes until fragrant.
2. Add the carrots and cook for about 5 minutes, stirring occasionally. Add the cubed sweet potatoes and cook for a couple of minutes more, stirring so the vegetables combine and nothing catches.
3. Sprinkle in the cumin, ground coriander and parsley and stir well so the vegetables are evenly coated. Pour in just enough vegetable stock to cover the vegetables. Cover with a lid, reduce the heat, and simmer gently for 20 minutes until everything is soft. Do not add salt at this stage.
4. Remove from the heat and blend until smooth with a hand blender, or transfer carefully to a blender in batches. Stir in the double cream. If the soup is too thick, loosen it with a little more hot stock. Season with salt and freshly ground black pepper, then serve hot with sliced fresh chilli or chilli flakes if you like.

Notes

Add the stock gradually if you prefer a thicker soup; you can always loosen it after blending.

Always taste before adding salt, especially when using stock cubes, as they vary in saltiness.

Blend carefully and never overfill a blender with hot liquid; let steam escape to avoid splatter.

Swap the double cream for full-fat coconut milk for a dairy-free version that stays creamy.

Store in the fridge for up to three days in an airtight container, or freeze for up to three months.