Posted on 21 Comments

Soup Maker Recipe: Red Lentil Soup Recipe

Who doesn’t love a plate of red lentil soup?  Lentils don’t agree with me, but I do love them, so every now and then, I actually do make a pot.

That’s the beauty of the soup maker, as it’s just so easy to do.  It works especially well for my mother, who decides she wants a hot meal at odd hours of the day now, yet won’t eat tinned.

I’ve always got bags of lentils in the cupboard, and at a push, I’ll just throw in what’s at the bottom of the fridge to make up some vegetable content.

Soup Maker Red Lentil Soup Recipe

Lesley Smith
5 from 4 votes
Cook Time 21 minutes
Total Time 21 minutes
Course Soup
Servings 4 - 6


  • 200 g Split Red Lentils Rinse & Soak in water for half an hour before cooking.
  • 1 l Stock To Taste - Beef, Chicken or Vegetable
  • 200 g Potatoes
  • 1 teaspoon Cracked and Ground Black Pepper
  • 1 Chopped Onion


  • For this recipe, to get more taste, lightly fry the onions before adding to the pot, however it isn't necessary, Add the lentils to the cooking pot, with the chopped onion and potatoes.
  • Add the stock, either up to the maximum 1600-1800g for a Soup maker or the full 1 Litre of stock if you are cooking this in a saucepan.
  • Select the smooth setting for a pureed soup, or the chunky if you prefer some bits in your lentil soup. If you plan to leave your soup chunky, chop your onions and potatoes very finely before adding them to the pot.
  • Serve with hot fresh bread.


Lentil soup is very much a personal thing.  Some people like it so that their spoon stands up on its own, and others like it more watery.   Add more or less lentils with experience, once you know the likely consistency that a set amount yields.  I like mine smooth and not too thick.  If it turns out too thick, I simply add a little more water or some milk at the end of cooking.

Image representative only.  Your finished soup will vary, depending on the content and consistency that you choose for cooking.

21 thoughts on “Soup Maker Recipe: Red Lentil Soup Recipe

  1. 5 stars
    Absolutely delicious. Added 1 leek, but only to use up what was in the fridge. Quantities were perfect for my soup maker

  2. 5 stars
    Absolutely delicious. Perfect recipe thank you.

  3. 5 stars
    What soup maker would you recommend please

    1. Hi Marion
      I can’t recommend a soupmaker as I haven’t tried them all and I don’t represent any brand. I can only tell you what I use. My soupmaker of choice is the Morphy Richards saute version, but there are many others.

  4. 5 stars
    Just made this for the first time and very pleased with the results, many thanks, I’ll be doing this in batches and keeping some in the freezer. Cheap, healthy and tasty.

  5. Do you drain the lentils? Is that a stupid question…?

    1. When washing them, yes. It removes some of the starch.

  6. Did this recipe but used a can of chopped tomatoes and 2 teaspoons of mild curry powder (instead of just water) and only 1 small potato diceed plus a clove of garlic and a chopped green chilli. Otherwise used this recipe as the basis for the soup. I soaked the red lentils in boiling water for about 1 hour to make sure they were soft. Worked wonderfully – delicious :-).


    1. Hi Anne, it’s in the ingredients list.

  8. Loving your soup recipes. I am a life-long vegetarian and so many of your soups are suitable and very tasty.
    My wife thinks I am a soup expert but i just follow your simple instructions. The curried parsnip was amazing!!
    Have you produced a hard or softback book yet? If not you should, it would be at the front of my book shelf!!

  9. Unfortunately, I think I did everything right, except the lentils ended up burning to the bottom of the soup maker. 🙁
    I rinsed and soaked them, I actually used 20g less than specified and made sure to add the liquid in first, the lentils in last and gave it all a stir. What a shame!

    1. That is a shame. Out of interest, which version of soupmaker do you have?

  10. I used my soup maker for the first time yesterday – leak and potato. I thought it tasted “raw” – would it of helped if I had fried the onion first?

    1. Everyone is different in how they like their soup. Lightly frying the onions would certainly give the soup more flavour. It also depends on the stock and seasoning you use. Did you use smooth or chunky versions?

  11. Delicious soup – thanks for your soup maker recipes.

    I added a teaspoon of chopped red chilli and 2 teaspoons of horseradish – just because I had them in the fridge. They added a lovely warming hint to the flavour.

  12. Your recipes have been my saviour as the first time I used my soup maker I had a disaster and it stuck to the bottom and burnt!! My OH managed to clean it and I was resigned to putting at the back of a very dark cupboard. Then I found your page. I have made quite a few of your recipes with no problems. A little tweak I make to your Lentil soup, which I love, is that I add a teaspoon of Mango Chutney which adds a subtle hint of spiciness , and a carrot.

    1. Lentil soup is always lovely. I’m tempted to try lentil and orange though 🙂

  13. LOVE your soup recipes for the soup maker … please keep them coming :))

    1. That’s the plan. Loads to get through yet that I haven’t had time to post. 🙂

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