Why it works: Olive and vinegar are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 12,297 recipes. Both carry isoamyl acetate, which smells banana, fruity. The science ↓
Mayonnaise Dressing
Ingredients
Directions
Place the egg yolk in a small bowl.
Stir with a wooden spoon while adding the olive oil drop by drop. After using about 2 tablespoons of oil, you can add it by the teaspoonful.
Once enough mayonnaise is made, mix in the vinegar, salt, and cayenne.
If the mixture breaks, start over with a fresh egg yolk and oil.
Keep the mayonnaise on ice until needed.
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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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).
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Egg + olivetop 31% of all pairsSmell alikemoderateCooked together15,340 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Egg + vinegartop 33% of all pairsSmell alikelowCooked together12,922 recipes
Shared aroma: acetic acid (sour, vinegar).
Egg and vinegar barely smell alike, yet cooks put them together in 12,922 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolk
- Lecithin in the yolk emulsifies the oil and water, holding the sauce together as a thick emulsion.
- Olive oil
- Forms the bulk of the emulsion, giving the mayonnaise its rich body and fat-based texture.
- Vinegar
- Adds acidity that brightens the flavour and helps balance the richness of the oil.
The step that matters
Adding the oil slowly at the start. Oil must be dispersed into the yolk in small amounts so droplets are coated and stay suspended. Adding it too fast overwhelms the yolk, and the emulsion breaks into a separated, oily mixture.
“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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