Why it works: Lamb and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 3,165 recipes mention both. Both carry 2-nonenal, which smells fatty, green. The science ↓
Vermicelli Soup
Ingredients
Directions
Make the broth
Break the lamb and veal bones and place them in a soup kettle.
Cover the bones with cold water and boil for three hours.
Add hot water as needed to maintain the same quantity.
Set the pot aside until the next morning.
Remove fat and bones from the broth.
Finish the soup
Heat the broth on the stove.
Slice and fry the onion, then add it to the broth.
Add Worcestershire sauce, pepper and coarse sea salt to the broth.
Strain the broth and return it to the kettle.
Add the boiled vermicelli to the broth.
Let the soup boil well.
Serve the soup.
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 aroma chemistry they share, and how many recipes mention both.
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Lamb + peppertop 5% of all pairsAroma overlapstrongMentioned together3,165 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Lamb + meattop 5% of all pairsAroma overlapmoderateMentioned together469 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Lamb + vealtop 6% of all pairsAroma overlapmoderateMentioned together568 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
-
Onion + peppertop 6% of all pairsAroma overlapmoderateMentioned together68,463 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Meat + oniontop 7% of all pairsAroma overlapmoderateMentioned together6,358 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lamb and veal bones with meat
- Long simmering releases gelatin and flavour into the water, forming the body of the broth.
- Vermicelli
- Thin pasta that adds starch and bite to the finished soup.
- 1 small onion
- Fried onion adds sweetness and savoury aroma to the broth.
The step that matters
Boil for three hours, then add hot water as needed. A steady simmer extracts flavour and gelatin from the bones, while adding hot water keeps the liquid level constant so the broth stays concentrated rather than diluted or boiled dry.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (lamb, veal, meat, sauce, pepper):
- Capsicumbetter flavor fit
- Tomatobetter flavor fit
- Potatobetter flavor fit
- Onionthe original
Fit is the average pairing score against lamb, veal, meat, sauce, pepper. 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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