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Lentil Soup

A hearty soup made with lentils, onions, turnips, carrots, celery, butter, pepper, salt, water, and soaked sago.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Lentils and turnip match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 109 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Lentil Soup

Ingredients

Directions

Prepare

  1. Wash the lentils and soak them in water overnight.

Cook and finish

  1. In a pot, boil the lentils with the onions, turnips, carrots, celery, butter, pepper, and salt in 2 quarts of water for 1.5 hours.

  2. Thicken the soup with the soaked sago.

  3. Pass the mixture through a wire sieve to serve.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Lentils + turniptop 1% of all pairs
    Smell alikestrong
    Cooked together109 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Carrot + celerytop 1% of all pairs
    Smell alikestrong
    Cooked together10,173 recipes

    Shared aroma: myristicin (spice, warm).

  3. Turnip + carrottop 1% of all pairs
    Smell alikestrong
    Cooked together8,002 recipes

    Shared aroma: coumarin (sweet, hay).

  4. Turnip + celerytop 2% of all pairs
    Smell alikemoderate
    Cooked together4,418 recipes

    Shared aroma: coumarin (sweet, hay).

  5. Celery + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together16,012 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Lentils
Form the body of the soup and thicken it as they break down during long simmering.
Sago
Thickens the soup further when added to the cooked mixture.
Butter
Adds richness and a smooth, rounded mouthfeel to the soup.

Swap the onion

How well each one fits the dish's main ingredients (lentils, turnip, carrot, celery, butter, pepper):

  1. Parsnipfits better
  2. Leekfits better
  3. Spinachfits better
  4. Onionthe original

Fit is the average pairing score against lentils, turnip, carrot, celery, butter, pepper. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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