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Green Pea Soup

A creamy soup made with green peas, butter, flour, milk, and seasonings.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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. Cook the green peas in water until tender, or use leftover peas and their cooking water.

Make the white sauce

  1. In a separate pot, melt the butter and stir in the flour to make a roux.

  2. Add the salt and pepper, then gradually whisk in the milk until smooth.

Combine and finish

  1. Rub the cooked peas through a coarse strainer or mash them, then add to the white sauce.

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. 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).

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

Green peas
Provide the main flavour and body of the soup once pureed or mashed.
Butter
Adds richness and carries flavour in the roux.
Flour
Thickens the milk into a smooth white sauce as it cooks with the butter.
Milk
Forms the creamy liquid base that the peas are stirred into.

The step that matters

Whisking the milk into the roux. Adding cold milk gradually while whisking keeps the flour evenly dispersed, so the sauce thickens smoothly instead of forming lumps.

Swap the peas

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

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

Fit is the average pairing score against butter, flour, pepper, 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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