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A Richer Carrot Soup

A soup made from carrots, onions, celery, butter, broth, salt, and cayenne pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Carrot and celery match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,173 recipes. Both carry myristicin, which smells spice, warm. The science ↓

A Richer Carrot Soup

Ingredients

Directions

Prepare

  1. Slice the carrots, onions, and celery thinly.

Make the soup

  1. Fry them in butter until browned and absorbed.

  2. Gradually add the broth and simmer until thick.

  3. Rub through a sieve or colander if needed.

  4. Season with coarse sea salt and cayenne pepper.

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

    Shared aroma: myristicin (spice, warm).

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

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

  3. Carrot + peppertop 6% of all pairs
    Smell alikestrong
    Cooked together14,555 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Carrot + oniontop 6% of all pairs
    Smell alikemoderate
    Cooked together21,601 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  5. Onion + celerytop 7% of all pairs
    Smell alikemoderate
    Cooked together18,518 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Carrots
Form the main body of the soup and give it sweetness and thickness as they cook down.
Onions
Add savory depth and sweetness as they soften and brown in the butter.
Butter
Carries the frying step, helping the vegetables brown and adding richness.
Broth
Provides the liquid that softens the vegetables and reduces to a thick, smooth texture.

The step that matters

Frying the vegetables in butter until browned. Browning builds deep, roasted flavor through the Maillard reaction. If the vegetables are crowded or the heat is too low, they steam instead of browning, and the soup tastes flat.

Swap the onion

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

  1. Parsnipfits better
  2. Capsicumfits better
  3. Turnipfits better
  4. Onionthe original

Fit is the average pairing score against 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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