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Cream of Pea Soup

A creamy soup made from peas, milk, butter, flour, salt, and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Cream of Pea Soup

Ingredients

Directions

Prepare the peas

  1. Heat the peas in their own liquid or cook in boiling salted water until tender.

  2. Drain the liquid and strain the peas through a sieve.

Make the soup

  1. Scald the milk and mix in the butter and flour to form a smooth paste.

  2. Cook the mixture for 1 minute, then add the peas, salt, and pepper.

  3. Boil for a few minutes 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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Peas + peppertop 15% of all pairs
    Smell alikemoderate
    Cooked together5,331 recipes

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

  5. Peas + milktop 16% of all pairs
    Smell alikemoderate
    Cooked together1,309 recipes

    Shared aroma: hexanal (green, grassy).

Flour and butter 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

Peas
Form the body of the soup and give it its main flavour and color.
Flour
Thickens the milk into a smooth, creamy body when cooked into a paste.
Milk
Forms the creamy base that the peas and thickener are combined into.
Butter
Adds richness and fat, smoothing the flour paste and adding flavour.

The step that matters

Cooking the flour and butter paste with the milk. Flour must be mixed smoothly into the butter and milk and cooked briefly. Adding it lumpy or skipping the cooking leaves raw starch taste and uneven thickness in the soup.

Swap the peas

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

  1. Almondfits better
  2. Chestnutfits better
  3. Milletfits better
  4. Peasthe original

Fit is the average pairing score against flour, milk, 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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