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Celery Soup

A soup made from boiled celery, milk, cream, and a butter‑flour sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Celery Soup

Ingredients

Directions

  1. Cook the chopped celery in boiling water until very soft.

  2. Strain the celery and add hot milk and hot cream.

  3. In a separate pan, make a cream sauce by melting butter, adding flour, salt, white pepper, and onion juice; cook until thick.

  4. Combine the cream sauce with the celery liquid.

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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Celery + oniontop 7% of all pairs
    Smell alikemoderate
    Cooked together18,518 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Cream + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

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

What each ingredient does

Celery
Provides the main flavour and body of the soup once cooked until very soft.
Butter
Adds fat and richness to the cream sauce and carries its flavour.
Flour
Thickens the butter and cream mixture into a smooth sauce as it cooks.
Cream
Adds fat and a silky, rich texture to the finished soup.

The step that matters

Cooking the cream sauce until thick. Flour must be cooked in melted butter long enough to lose its raw taste and to thicken fully. Undercooked flour leaves the sauce pasty and floury, while the starch swells and sets as it heats.

Swap the white pepper

How well each one fits the dish's main ingredients (celery, milk, cream, butter, flour, onion):

  1. Nutmegfits better
  2. Parsleyfits better
  3. Cinnamonfits better
  4. White pepperthe original

Fit is the average pairing score against celery, milk, cream, butter, flour, onion. 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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