Sweet potato & lentil soup

Sweet potato & lentil soup

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(283 ratings)

Prep: 10 mins Cook: 25 mins


Serves 6

Satisfying and simple to make, homemade soup is a great supper or take-to-work lunch

Nutrition and extra info

  • Freezable
  • Vegetarian


  • kcal287
  • fat8g
  • saturates2g
  • carbs49g
  • sugars17g
  • fibre6g
  • protein9g
  • salt0.71g


  • 2 tsp medium curry powder
  • 3 tbsp olive oil
    olive oil

    Olive oil

    ol-iv oyl

    Probably the most widely-used oil in cooking, olive oil is pressed from fresh olives. It's…

  • 2 onions, grated



    Onions are endlessly versatile and an essential ingredient in countless recipes. Native to Asia…

  • 1 eating apple, peeled, cored and grated



    Grown in temperate regions, apples are one of the most widely cultivated tree fruits. There are…

  • 3 garlic cloves, crushed
  • 20g pack coriander, stalks chopped
  • thumb-size piece fresh root ginger, grated



    Mainly grown in Jamaica, Africa, India, China and Australia, ginger is the root of the plant. It…

  • 800g sweet potatoes
    Sweet potatoes

    Sweet potato

    sweet po-tate-toe

    Sweet potatoes have a creamy texture and a sweet-spicy flavour that makes them ideal for savoury…

  • 1.2l low-sodium vegetable stock
  • 100g red lentils
  • 300ml milk



    One of the most widely used ingredients, milk is often referred to as a 'complete' food…

  • juice 1 lime



    The same shape, but smaller than…


  1. Put the curry powder into a large saucepan, then toast over a medium heat for 2 mins. Add the olive oil, stirring as the spice sizzles in the pan. Tip in the onions, apple, garlic, coriander stalks and ginger, season, then gently cook for 5 mins, stirring every so often.

  2. Meanwhile, peel, then grate the sweet potatoes. Tip into the pan with the stock, lentils, milk and seasoning, then simmer, covered, for 20 mins. Blend until smooth using a stick blender. Stir in the lime juice, check the seasoning and serve, topped with roughly-chopped coriander leaves.

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Comments, questions and tips

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9th Jul, 2020
Loved this soup and will definitely make again - thought it would be too sweet but it was delish! I used ground ginger and coriander instead of fresh, and lemon instead of lime as that is what I had. I found the grating very quick to do, probably quicker than chopping. I halved all the quantities and it made 3 good bowls, however next time I will add more stock as it was very thick, so it will probably go further. I added a teaspoon of Garam masala as I felt it just needed a bit more spice but not more heat.
4th Jul, 2020
Lovely Recipe
5th May, 2020
Forgot to rate!
5th May, 2020
This was absolutely delicious. I added a chilli at the beginning and simply blitzed all the vegetables in the Magimix before cooking. It made 7 portions, based on roughly three quarters of the recipe, as I only had one sweet potato. Beautifully thick and a definite make again.
7th Apr, 2020
I have no idea why people like this soup; I 100% regret making this. Perhaps it's the onions' sourness that conflicts with the sweetness of the potatoes and apple. Save your ingredients for another recipe!
3rd Feb, 2020
This was a tasty soup although a bit on the sweet side. No lime but juice of a lemon cut through the sweetness. Next time I will omit the apple to see if that helps. Didn’t have curry powder so used all garam masala instead and used coconut milk drink instead of milk to be dairy free.
4th Feb, 2020
I don't think the apple is the culprit. The coconut milk drink probably has sugar added. And lemon isn't as acidic as lime.
6th Dec, 2019
Tried this recipe but didn't do all the shredding/grating - just chopped. Wasn't sure of the point as it's all blitzed in the end. It was okay but not really to my taste. As it made quite a lot, for the next meal I put some soup back into the blender with a large handful of fresh spinach - now much more to my taste. Still considering what to mix it with next as there are at least 3 bowl-fulls to go!
Olivia Tierney's picture
Olivia Tierney
12th Nov, 2019
Don't need to grate, just chop roughly! It's a brilliant soup, the apple, lime and corriander definitely make it. I added a good sprinkle of chili flakes too for some kick. Looking forward to my thermos lunch tomorrow!
4th Oct, 2019
Really delicious--I agree with others here, just chop coarsely since you are blending anyway. I used light coconut milk instead of dairy and it was wonderful.


Dave Wass's picture
Dave Wass
16th Feb, 2020
Wgat eating apple is recommended for this recipe
CassieBest's picture
17th Feb, 2020
Hi Dave, You could use any variety of eating apple, a Braeburn or Cox would be good.
Dave Wass's picture
Dave Wass
22nd Feb, 2020
Many thanks
18th Sep, 2019
Is this soup vegan?
goodfoodteam's picture
19th Sep, 2019
Thanks for your question. This soup is vegetarian but not vegan as it contains milk. Take a look at our vegan soup recipe collection for alternatives: https://www.bbcgoodfood.com/recipes/collection/vegan-soup
7th Apr, 2019
Can this soup be frozen?
goodfoodteam's picture
11th Apr, 2019
Thanks for your question. Yes, it can be frozen. All our freezable recipes are marked with a blue star above the nutritional information.
18th Sep, 2019
It is easier to chop everything instead of grating as you belnd it all at the end
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