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Home » Browse Recipes » All Recipes

Lebanese Red Lentil Soup

Published: July 23, 2025 · Last Updated: July 23, 2025

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Oodles of butter transform this gently spiced Lebanese Red Lentil Soup into an extra creamy, lip-smackingly good lentil soup.

Lebanese red lentil soup in white bowls placed next to striped teacloth and lemon half and quarters.
Jump to:
  • Ingredients for Lebanese Red Lentil Soup
  • Useful Equipment
  • How to Make Lebanese Red Lentil Soup
  • More Soup Recipes using Pulses
  • 📋 Recipe Card

Ingredients for Lebanese Red Lentil Soup

Red lentils, butter, salt and cumin all in glass bowls, an onion and lemon, all laid out on grey surface.
  • Onion.
  • Red lentils.
  • Butter. I prefer to use unsalted butter to help avoid the risk of burning the butter when frying the onion in it.
  • Cumin. The only spice in this soup, and all that is needed for a bowl of deliciousness.
  • Salt.
  • Lemon. Perhaps not strictly an ingredient, since the lemon is sliced into wedges and served alongside the soup. However, a squeeze of lemon truly transforms this soup, so don't leave out.

See the Recipe Card below for quantities and the full recipe.

Useful Equipment

No special equipment is needed for this Lebanese Lentil Soup recipe. I have listed the key useful items below.

  • chopping board
  • chopping knives suitable for chopping the onion
  • two large saucepans
  • spoon for mixing
  • food processor or hand held blender for blending the soup

How to Make Lebanese Red Lentil Soup

You will have this Lebanese Soup ready in no time. Red lentils are particularly quick to cook, and there is just one onion to chop. Here's how to make Lebanese Red Lentil Soup.


  • Prepare the onion. Finely chop 1 medium-sized onion.
Finely chopped onion on wooden chopping board with chef's knife.

  • Cook the red lentils. Put 1 ⅓ cups of red lentils in a saucepan and cover with cold water. Bring the water to a boil and then turn down the heat so that the water comes to a simmer. Gently simmer the lentils for about 20 minutes by which time they will be soft and easily crushed. Add more water if needed to keep the lentils covered. Whilst the lentils are cooking, start cooking the onions and butter as described in the next step.
Red lentils simmering in water in stainless steel saucepan.

  • Melt the butter. Put 4 tablespoons of butter into a saucepan and melt over a low heat.

  • Fry the chopped onion. Add the chopped onion to the melted butter and gently fry for about 5 to 10 minutes.
Chopped onion being fried in butter and stirred with wooden spoon.

  • Combine the lentils and onions. Add the cooked red lentils, together with the cooking water, to the onions and butter. Add 1 ¼ tablespoons of cumin, a generous pinch of salt and mix all ingredients well. Bring to a gentle simmer and cook for 10 more minutes.
Water, butter and red lentils in enamelled saucepan.

  • Blend the soup. Blend the soup to a smooth consistency. Once blended, check the seasoning and add more salt if needed.
Hand held blender in Lebanese red lentil soup which is in enamelled saucepan.

  • Ladle into soup bowls, sprinkle with a little cumin and serve with a wedge of lemon. Lipsmackingly-good lentil soup!
Lebanese red lentil soup in white bowl placed next to striped teacloth and slices of lemon.

More Soup Recipes using Pulses

Lentils. I love lentils. They have saved me so many times when I've been short of options in the pantry. Lentils are particularly great for last minute healthy meals. They generally take under 30 minutes to cook and, unlike other pulses, do not require any soaking beforehand.

Red lentils are particularly quick to cook and this delicious Mediterranean Red Lentil Soup with Carrots has the added spices of paprika and ginger for a little extra heat.

For the more earthy taste of green lentils, try this Simple French Green Lentil Soup with Bacon or our family's Simple Hungarian Lentil Soup.

Chickpeas. Chickpeas are great when canned, unlike some forms of beans which do not can well, becoming mushy and losing some of their taste. This makes canned chickpeas the perfect choice for last minute meals such as this Quick Chickpea and Tomato Soup with Peppers.

  • Mediterranean red lentil soup, with a dollop of yoghurt, lime and mint topping, in a white bowl next to sprig of mint and sliced lemons.
    Mediterranean Red Lentil Soup
  • French green lentil soup in white bowl next to sprig of fresh thyme and red tomato.
    Simple French Green Lentil Soup with Bacon
  • Hungarian lentil soup topped in centre with a dollop of soured cream in a white bowl next to a few scattered green lentils.
    A Simple Hungarian Lentil Soup
  • Quick Chickpea and Tomato Soup with Peppers

📋 Recipe Card

Lebanese red lentil soup in white bowl placed next to striped teacloth and slices of lemon.

Lebanese Red Lentil Soup

Oodles of butter transform this gently spiced Lebanese Red Lentil Soup into an extra creamy, lip-smackingly good lentil soup.
Print Recipe Pin Recipe
Servings 0

Ingredients
  

  • 1 medium sized onion
  • 1⅓ cups (250g) red lentils
  • 4 tablespoon butter unsalted butter preferably as this has a slightly higher smoking point than salted butter, meaning it has a higher temperature at which it burns
  • 1¼ teaspoon ground cumin
  • salt
  • water

Instructions
 

  • Prepare the onion. Finely chop 1 medium-sized onion.
  • Cook the red lentils. Put 1 ⅓ cups of red lentils in a saucepan and cover with cold water. Bring the water to a boil and then turn down the heat so that the water comes to a simmer. Gently simmer the lentils for about 20 minutes by which time they will be soft and easily crushed. Add more water if needed to keep the lentils covered. Whilst the lentils are cooking, start cooking the onions and butter as described in the next steps.
  • Melt the butter. Put 4 tablespoons of butter into a saucepan and melt over a low heat.
  • Fry the chopped onion. Add the chopped onion to the melted butter and gently fry for about 5 to 10 minutes.
  • Combine the lentils and onions. Add the cooked red lentils, together with the cooking water, to the onions and butter. Add 1 ¼ tablespoons of cumin, a generous pinch of salt and mix all ingredients well. Bring to a gentle simmer and cook for 10 more minutes.
  • Blend the soup. Blend the soup to a smooth consistency. Once blended, check the seasoning and add more salt if needed.
  • Ladle into soup bowls, sprinkle with a little cumin and serve with a wedge of lemon. Lipsmackingly-good lentil soup!
Tried this recipe?Let us know how it was!

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Hi there! We are a husband and wife team, living in London. Our home cooking is guided by our combined Hungarian, French and British backgrounds, and the blisteringly honest appraisals of our efforts from our two young sons.

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