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
Mix the salt and red pepper with the olive oil.
Slowly add the vinegar while stirring constantly.
Add lemon juice, catsup, and sugar if desired.
Ensure all ingredients are cold before serving.
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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Olive + vinegartop 10% of all pairsSmell alikemoderateCooked together12,297 recipes
Shared aroma: isoamyl acetate (banana, fruity).
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Olive + peppertop 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
- Supplies the fat that gives the dressing body and carries its flavour.
- Vinegar
- Adds sharp acidity that balances the richness of the oil.
- Lemon juice
- Adds further acidity and brightness.
The step that matters
Adding the vinegar slowly while stirring constantly. Oil and vinegar do not mix naturally. Adding vinegar slowly while stirring constantly breaks it into tiny droplets dispersed through the oil, forming a temporary emulsion that stops the dressing separating into layers.
Swap the lemon
How well each one fits the dish's main ingredients (olive, vinegar, pepper, sugar):
- Lemonthe original
- Cherryfits about as well
- Limefits about as well
- Mangofits about as well
Fit is the average pairing score against olive, vinegar, pepper, sugar. 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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