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 ↓
French Dressing
Ingredients
Directions
In a chilled cup, combine the salt, cayenne pepper, and lemon juice.
Add the olive oil and stir constantly.
Gradually add the vinegar while continuing to stir.
Optionally, substitute lemon juice for vinegar if desired.
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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Olive + lemontop 7% of all pairsSmell alikemoderateCooked together11,922 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Vinegar + olivetop 10% of all pairsSmell alikemoderateCooked together12,297 recipes
Shared aroma: isoamyl acetate (banana, fruity).
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Pepper + olivetop 11% of all pairsSmell alikemoderateCooked together30,263 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Olive oil
- Provides the fat that gives the dressing its body and carries flavor.
- Vinegar
- Adds sharp acidity that cuts through the richness of the oil.
- Lemon juice
- Adds bright acidity and a fresh citrus note.
The step that matters
Gradually add the vinegar while continuing to stir. Oil and acid do not mix on their own. Adding the vinegar slowly while stirring breaks the liquid into fine droplets, so the dressing stays blended rather than separating into layers.
Swap the lemon
How well each one fits the dish's main ingredients (vinegar, pepper, olive):
- Limefits about as well
- Lemonthe original
- Cherryfits about as well
- Mangofits about as well
Fit is the average pairing score against vinegar, pepper, olive. 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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