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 ↓
Aspic Jelly
Ingredients
Directions
Pour water into a saucepan and sprinkle in the gelatine.
Add all other ingredients.
Place over low heat and stir until the mixture reaches a boiling point.
Allow to settle for 5 minutes and strain through cheesecloth into a wet mold.
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 + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Vinegar + oniontop 14% of all pairsSmell alikemoderateCooked together18,226 recipes
Shared aroma: acetic acid (sour, vinegar).
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Pepper + vinegartop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Lemon + oniontop 19% of all pairsSmell alikemoderateCooked together15,646 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Instant powdered gelatine
- Sets the liquid into a firm, sliceable gel as it cools.
- Vinegar
- Adds acidity that brightens the flavour of the clear savoury liquid.
- Lemon juice
- Adds a sharp citrus note that balances the savoury seasonings.
The step that matters
Strain through cheesecloth into a wet mold. Gelatine sets as it cools, so the liquid must be strained clear before it firms. Wetting the mold lets the set aspic release cleanly instead of sticking.
Swap the onion
How well each one fits the dish's main ingredients (pepper, vinegar, lemon):
- Capsicumfits better
- Mustardfits better
- Broccolifits better
- Onionthe original
Fit is the average pairing score against pepper, vinegar, lemon. 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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