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 ↓
Mayonnaise Dressing
Ingredients
Directions
Prepare
Chill the plate, eggs, oil, and fork before starting.
Make the emulsion
Combine the yolks of the eggs and salt in a bowl.
Stir with a fork until well mixed.
Slowly add the oil drop by drop while stirring continuously in the same direction.
Add a drop of vinegar when the mixture looks oily.
As the mixture thickens, add the oil more quickly while continuing to stir.
Add just enough acid to prevent separation.
Season
Season with additional salt, red pepper, and lemon juice 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).
-
Olive + lemontop 7% of all pairsSmell alikemoderateCooked together11,922 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
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
- Egg yolks
- Their lecithin emulsifies the oil and water, holding the dressing together as a smooth mixture.
- Oil
- Forms the bulk of the dressing, giving it richness, body, and a thick, creamy texture.
- Vinegar
- Adds acidity that helps stabilise the emulsion and prevents it from separating.
The step that matters
Adding the oil slowly. Oil must be dispersed into the yolks in tiny droplets while stirring. Adding it too fast overwhelms the yolk's emulsifier, so the mixture breaks and separates instead of thickening.
“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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