Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Salad Dressing
Ingredients
Directions
Beat the egg yolks until light.
Add mustard, salt, melted butter, lemon juice, and vinegar slowly while stirring.
Mix in sugar, red pepper, and paprika.
Cook slowly in a double boiler, stirring constantly until smooth.
Before serving, fold in whipped cream and add oil if 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.
Photo for illustrative purposes only · Contact us to use it
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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Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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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).
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Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Emulsify and thicken the dressing as they cook, giving it a smooth, rich body.
- Butter
- Adds richness and fat, giving the dressing a smooth, creamy mouthfeel.
- Lemon juice
- Adds acidity that brightens the dressing and balances the richness of the yolks and butter.
- Mustard
- Helps stabilize the emulsion and adds sharp flavor.
- Whipped cream
- Lightens the dressing and adds softness and volume when folded in.
The step that matters
Cook slowly in a double boiler, stirring constantly until smooth. Egg yolks thicken from gentle heat, but too much heat scrambles them into lumps. Slow, constant stirring over indirect heat keeps the mixture smooth and creamy.
Swap the mustard
How well each one fits the dish's main ingredients (egg, lemon, vinegar, butter, sugar, pepper, cream):
- Capsicumfits about as well
- Asparagusfits about as well
- Mustardthe original
- Spinachfits about as well
Fit is the average pairing score against egg, lemon, vinegar, butter, sugar, pepper, 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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