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Delicate Celery Soup

A light soup made from celery, milk, onion, butter, flour, and cream.

From an old cookbook · modernised transcription
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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 ↓

Delicate Celery Soup

Ingredients

Directions

Prepare the celery

  1. Break celery into 1-inch pieces and pound in a mortar.

Make the soup

  1. Cook in a double boiler with milk and onion for 20 minutes.

  2. Melt butter in a pan and stir in flour.

  3. Gradually add cream and bring to a boil.

  4. Stir the cream mixture into the celery mixture.

  5. Strain, season, and serve immediately.

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. Butter + creamtop 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 pounded and cooked.
Milk
Forms the liquid base of the soup and carries its flavour.
Butter
Adds richness and fat, and forms the base of the roux.
Flour
Thickens the soup when cooked with butter into a roux.
Cream
Adds richness and smoothness, giving the soup a silkier body.

The step that matters

Adding the cream to the roux. Adding liquid too quickly to a butter and flour mixture can form lumps, because the flour starch clumps before it disperses. Adding the cream gradually and stirring keeps the sauce smooth before it thickens.

Swap the celery

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

  1. Nutmegfits better
  2. Garlicfits better
  3. Cinnamonfits better
  4. Celerythe original

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