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A Cheap Green Peas Soup

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

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 13 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 shell liquor

  1. Wash the pea shells thoroughly.

  2. Add the 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 and pour 2 quarts into a clean deep saucepan.

Make the soup

  1. Bring the liquid to a boil.

  2. Add 1 quart of full-sized green peas.

  3. Add 2 or 3 peeled and quartered cucumbers.

  4. Add 3 chopped lettuces.

  5. Add 1 thinly sliced onion that has been stewed in a little butter.

  6. Add parsley and mint leaves.

  7. Simmer gently for 1 hour.

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

Finish and serve

  1. Pass the soup through a fine sieve.

  2. Reheat the soup.

  3. Serve with small fried sippets.

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 the soup and its sweet, vegetal flavour.
Cucumbers
Add moisture and a fresh, cool flavour to the soup.
Lettuces
Add soft leafy bulk and a mild, green flavour that thickens the purée.
Onion
Adds savoury depth as it softens and sweetens in butter.
Pea shells
Release their flavour into the cooking liquid, giving the soup a concentrated pea taste.

The step that matters

Simmer gently for 1 hour. A gentle simmer keeps the vegetables tender and the soup smooth. A hard boil can break down the greens, dull their colour, and make the texture uneven before the soup is sieved.

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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