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 ↓
Salad Diessing
Ingredients
Directions
Prepare the eggs
Boil the eggs for 20 minutes until hard.
Place the eggs in cold water, then remove the shells.
Make the dressing
Pound the yolks in a mortar until smooth.
Add mustard, white pepper, cayenne, salt, and cream; mix well.
Gradually stir in vinegar until the mixture reaches a creamy consistency.
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 + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + vinegartop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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White pepper + peppertop 19% of all pairsSmell alikelowCooked together1,478 recipes
Shared aroma: piperonal (bitter, coconut).
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White pepper + vinegartop 20% of all pairsSmell alikelowCooked together1,154 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Hard-boiled egg yolks
- Mashed smooth, they form the body of the dressing and give it richness.
- Cream
- Adds fat and moisture, softening the yolk paste into a smooth, pourable texture.
- Mixed mustard
- Adds sharp flavor and helps emulsify the dressing, keeping it from separating.
- Vinegar
- Adds acidity that brightens the dressing and balances the richness of yolk and cream.
The step that matters
Gradually stir in vinegar. Adding vinegar slowly lets the yolk and cream mixture absorb it evenly. Pouring it in all at once can thin the dressing unevenly and cause it to split rather than turn creamy.
Swap the white pepper
How well each one fits the dish's main ingredients (egg, mustard, pepper, cream, vinegar):
- Tarragonfits better
- Capersfits better
- Dillfits better
- White pepperthe original
Fit is the average pairing score against egg, mustard, pepper, cream, vinegar. 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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