Why it works: Vinegar and pepper are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 27,814 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Mayonnaise Dressing
Ingredients
Directions
Prepare
Keep eggs, vinegar, and oil on ice until mixing.
Set a bowl in a pan of cracked ice.
Carefully break the yolks into the bowl, ensuring no whites mix in.
Make the mayonnaise
Beat the yolks slowly and evenly, adding 1 drop of oil every minute for 10 minutes.
Then add 3 drops of oil each minute until the mixture is smooth.
Mix in vinegar, adding ½ teaspoon every 2 minutes, alternating with 1 teaspoon of oil, beating steadily until used up.
Add salt and pepper, whip vigorously for 5 minutes, and pour into a glass or silver pitcher.
Keep on ice until 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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Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Egg + vinegartop 33% of all pairsSmell alikelowCooked together12,922 recipes
Shared aroma: acetic acid (sour, vinegar).
-
Egg + peppertop 33% of all pairsSmell alikelowCooked together50,580 recipes
Shared aroma: 2-nonenal (fatty, green).
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 yolks
- Emulsifiers that hold the oil and vinegar together as a thick, smooth sauce.
- Salad oil
- Forms the bulk of the sauce, giving richness and body as it is dispersed into the yolks.
- Vinegar
- Adds acidity that sharpens 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 yolks in tiny droplets before more is added. Adding it too fast overwhelms the yolk emulsifiers, and the mayonnaise breaks into a greasy, separated 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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