Why it works: Lettuce and chervil match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 396 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
A Meagre Soup
Ingredients
Directions
Make the base
Melt the butter in a saucepan.
Add the lettuces, white beet leaves, celery, chervil, pot marjoram, and chopped anchovies.
Stew gently for about 30 minutes.
Finish and serve
Add boiling water and flour, then season with Cayenne pepper and salt.
Boil for a few more minutes, then serve 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 their aromas overlap, and how often cooks already put them together.
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Lettuce + cherviltop 1% of all pairsSmell alikestrongCooked together396 recipes
Shared aroma: coumarin (sweet, hay).
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Chervil + marjoramtop 3% of all pairsSmell alikestrongCooked together38 recipes
Shared aroma: estragole (anise, licorice).
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Marjoram + peppertop 3% of all pairsSmell alikestrongCooked together2,609 recipes
Shared aroma: estragole (anise, licorice).
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Celery + marjoramtop 4% of all pairsSmell alikestrongCooked together615 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Lettuce + celerytop 4% of all pairsSmell alikestrongCooked together2,033 recipes
Shared aroma: nonanal (fat, citrus).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Adds richness and fat, carrying the herbs and vegetables in the pan.
- Lettuces
- Provides the leafy body and mild, green flavor of the soup.
- Anchovies
- Contributes a deep, salty savoriness that melts into the soup as it cooks.
- Flour
- Thickens the liquid as its starch swells with heat, giving the soup body.
The step that matters
Stew gently for about 30 minutes. Gentle heat softens the greens and lets the anchovies break down into the butter without scorching. Fierce heat can brown the butter and make the soup taste bitter.
Swap the celery
How well each one fits the dish's main ingredients (butter, lettuce, chervil, marjoram, flour, pepper):
- Tarragonfits better
- Capersfits better
- Parsleyfits better
- Celerythe original
Fit is the average pairing score against butter, lettuce, chervil, marjoram, flour, pepper. 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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