Why it works: Cucumber and lettuce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 1,409 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
A Green Pease Soup
Ingredients
Directions
Prepare
Combine cucumbers, lettuce, mint, onions, parsley, white pepper, salt, young peas, and butter in a stewpan.
Stew gently in their own liquid for 1 hour.
Pulp the boiled old peas through a colander and mix with the beef gravy.
Finish and serve
Once the herbs and cucumbers are stewed, combine everything and bring to a boil.
Serve the soup very hot.
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 aroma chemistry they share, and how many recipes mention both.
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Cucumber + lettucetop 1% of all pairsAroma overlapstrongMentioned together1,409 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Mint + peastop 2% of all pairsAroma overlapmoderateMentioned together1,137 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
-
Lettuce + parsleytop 5% of all pairsAroma overlapstrongMentioned together1,483 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Cucumber + minttop 5% of all pairsAroma overlapmoderateMentioned together884 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Lettuce + peastop 5% of all pairsAroma overlapstrongMentioned 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
- Butter
- Enriches the soup with fat, adding richness and a smooth mouthfeel.
- Old peas
- Pulped and blended into the gravy, they thicken the soup and add body and pea flavor.
- Beef gravy
- Forms the savory liquid base that gives the soup its body and depth.
- Young peas
- Stewed in their own liquid, they add fresh, sweet pea flavor.
- Cucumbers
- Stewed until soft, they contribute moisture and a mild, fresh flavor.
The step that matters
Stew gently in their own liquid for 1 hour. Gentle heat lets the vegetables release and keep their juices and soften without scorching. Boiling hard can break down the texture and cause sticking at the base of the pan.
Flavor stand-ins for the white pepper
How well each one fits the dish's main ingredients (cucumber, lettuce, mint, onion, parsley, peas, butter):
- Tarragonbetter flavor fit
- Capersbetter flavor fit
- Thymebetter flavor fit
- White pepperthe original
Fit is the average pairing score against cucumber, lettuce, mint, onion, parsley, peas, butter. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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