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Green Pea Soup

A soup made from peas, water, butter, flour, milk, and seasonings.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Green Pea Soup

Why it works: Butter and milk 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 ↓

Green Pea Soup

Ingredients

Directions

Prepare the peas

  1. Wash the peas and cook them in boiling water until soft.

  2. Mash the peas with the cooking water and strain the mixture.

  3. Add the remaining liquid to the strained peas.

Make the white sauce

  1. In a separate pan, melt the butter.

  2. Add flour to the melted butter.

  3. Gradually stir in the heated milk or cream until thick.

Combine and season

  1. Combine the pea mixture with the white sauce.

  2. Season with salt and white 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.

Photo for illustrative purposes only · Contact us to use it

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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Butter + flourtop 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. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: hexanal (green, grassy).

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

Peas
Provide the main body, flavor and green color of the soup.
Butter
Adds richness and fat, carrying flavor in the white sauce.
Flour
Thickens the melted butter into a roux that gives the soup body.
Milk or cream
Forms the liquid of the white sauce, adding smoothness and richness.
Sugar
Adds mild sweetness that balances the savory, starchy peas.

The step that matters

Gradually stir in the heated milk or cream until thick. Adding warm liquid to a roux slowly while stirring keeps the flour smooth and lump-free. Adding it all at once or cold can cause lumps, and the sauce will not thicken evenly.

Swap the white pepper

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

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

Fit is the average pairing score against peas, butter, sugar, flour, milk. 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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