Why it works: Vinegar and mustard are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Mayonnaise Dressing
Ingredients
Directions
Make the base
Heat vinegar and butter in a saucepan until boiling.
In a bowl, beat together egg yolks and sugar, then season with salt and mustard.
While the vinegar mixture is boiling, pour it over the egg mixture, stirring constantly.
Thicken and finish
Return the mixture to the heat and boil until thick.
Thin the dressing with sour or sweet cream as 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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Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Vinegar + sugartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Their proteins set when heated, thickening the dressing and binding it into a smooth body.
- Butter
- Adds fat for richness and a silky mouthfeel.
- Vinegar
- Provides acidity that gives the dressing its sharp, tangy flavour.
- Sugar
- Adds sweetness that balances the sharpness of the vinegar.
The step that matters
Boiling the mixture until thick. Egg yolks thicken as their proteins set with heat, but if they get too hot or are not stirred, they can scramble and curdle. Stirring constantly during the pour and the cooking keeps the heat even and the texture smooth.
Swap the mustard
How well each one fits the dish's main ingredients (vinegar, butter, egg, sugar, cream):
- Mustardthe original
- Capsicumfits about as well
- Chivefits about as well
- Cucumberfits about as well
Fit is the average pairing score against vinegar, butter, egg, sugar, cream. 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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