Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Soups
Ingredients
Directions
Make the broth
Combine meat and bones in a pot with water.
Bring the mixture to a boil.
Skim off the foam that rises to the surface.
Reduce the heat and simmer for 5 hours.
Strain the soup into a jar to cool.
Finish the soup
Add pepper and salt to the soup.
Fry onions in butter until brown.
Add the fried onions to the soup.
Add cooked vegetables, tapioca, or rice to the soup.
Serve
Place yolks, poached eggs, lemon slices, or croutons in bowls.
Pour the soup over the items in the bowls.
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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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Pepper + ricetop 12% of all pairsSmell alikemoderateCooked together8,379 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Rice + lemontop 12% of all pairsSmell alikemoderateCooked together4,366 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
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Meat + ricetop 13% of all pairsSmell alikemoderateCooked together1,481 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Rice + buttertop 16% of all pairsSmell alikemoderateCooked together9,645 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lean fresh meat
- Gives the broth its main meaty flavour as it simmers in water.
- Bones
- Add body and savoury depth to the broth during the long simmer.
- Butter
- Browns the onions, adding nutty, toasty flavour to the soup.
- Tapioca or rice
- Adds body and a starchy, filling texture to the soup.
The step that matters
Skim off the foam. Foam that rises at the start contains proteins and impurities. Removing it keeps the broth clear and free of off, bitter flavours.
Swap the lemon
How well each one fits the dish's main ingredients (meat, pepper, rice, butter, egg):
- Lemonthe original
- Coconutfits about as well
- Avocadofits less well
- Mangofits less well
Fit is the average pairing score against meat, pepper, rice, butter, egg. 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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