Why it works: Mustard and vinegar 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 dressing
Beat the egg well with the sugar, mustard, and salt.
Slowly stir in the vinegar.
Add the butter drop by drop.
Cook
Cook in a double boiler, stirring constantly.
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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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mustard + walnuttop 9% of all pairsSmell alikestrongCooked together849 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Butter + walnuttop 15% of all pairsSmell alikemoderateCooked together6,832 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Sugar + vinegartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Egg + buttertop 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
- Egg proteins thicken as they gently heat and help hold the oil and vinegar together.
- Mustard
- Mustard helps keep the butter and vinegar blended into a smooth, stable mixture.
- Vinegar
- Adds acidity that sharpens the flavor and balances the richness of the butter.
- Butter
- Adds fat for richness and a smooth, creamy texture.
- Sugar
- Adds sweetness that balances the sharpness of the vinegar.
The step that matters
Cook in a double boiler, stirring constantly. The egg thickens the dressing only over gentle, even heat. If it gets too hot or sits still, the egg can scramble and the dressing can turn grainy or curdled.
Swap the walnut
How well each one fits the dish's main ingredients (egg, mustard, sugar, vinegar, butter):
- Almondfits about as well
- Sesamefits about as well
- Chestnutfits about as well
- Walnutthe original
Fit is the average pairing score against egg, mustard, sugar, vinegar, butter. 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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