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A Cheap Green Peas Soup

A soup made from green peas, cucumbers, lettuce, onion, herbs, and broth.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 12 ingredients
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A Cheap Green Peas Soup

Why it works: Cucumber and lettuce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,409 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

A Cheap Green Peas Soup

Ingredients

Directions

Make the pea stock

  1. Wash pea shells thoroughly.

  2. Add pea shells to boiling salted water.

  3. Cook for 20 to 30 minutes until tender.

  4. Strain the cooked pea shells.

  5. Press the pods with a wooden spoon.

  6. Measure the liquid.

  7. Pour 2 quarts into a clean saucepan.

  8. Bring to a boil.

Make the soup

  1. Stew thinly sliced onion in butter for 30 minutes.

  2. Add 1 quart of green peas, cucumbers, chopped lettuces, and the stewed onion.

  3. Add parsley and mint leaves.

  4. Simmer gently for 1 hour.

  5. Season with salt and white pepper or cayenne to taste.

  6. Press the mixture through a fine sieve.

  7. Reheat.

  8. Serve with small fried bread snippets.

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. Cucumber + lettucetop 1% of all pairs
    Smell alikestrong
    Cooked together1,409 recipes

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

  2. Peas + minttop 2% of all pairs
    Smell alikemoderate
    Cooked together1,137 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

  3. Lettuce + parsleytop 5% of all pairs
    Smell alikestrong
    Cooked together1,483 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

  4. Cucumber + minttop 5% of all pairs
    Smell alikemoderate
    Cooked together884 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  5. Peas + lettucetop 5% of all pairs
    Smell alikestrong
    Cooked together1,293 recipes

    Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).

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 body of flavour and a thick, vegetable-based texture.
Lettuces
Add body and a mild, sweet vegetable flavour to the soup.
Cucumbers
Contribute a cool, fresh flavour and soft, moist texture once simmered.
Onion
Adds savoury depth and aroma when stewed slowly in butter.
Butter
Adds fat and richness, and carries the flavour of the stewed onion.

The step that matters

Press the mixture through a fine sieve. Pressing forces the cooked vegetables through the mesh, breaking them down into a smooth purée. Skipping or rushing this leaves the soup grainy and fibrous.

Swap the white pepper

How well each one fits the dish's main ingredients (peas, cucumber, lettuce, onion, parsley, mint, butter):

  1. Tarragonfits better
  2. Capersfits better
  3. Thymefits better
  4. White pepperthe original

Fit is the average pairing score against peas, cucumber, lettuce, onion, parsley, mint, butter. 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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