Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Salad Dressing for Cabbage
Ingredients
Directions
Mash the hard boiled egg yolks with a fork.
Add the raw egg yolk, mustard, salt, and cayenne pepper, then beat with an egg beater.
Gradually add 1 tablespoon of vinegar while beating well.
Slowly add the olive oil, alternating with the remaining vinegar, until the mixture thickens.
Finally, stir in the chopped parsley.
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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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Olive + parsleytop 6% of all pairsSmell alikestrongCooked together9,649 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Olive + mustardtop 8% of all pairsSmell alikestrongCooked together5,950 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Mustard + parsleytop 8% of all pairsSmell alikestrongCooked together2,588 recipes
Shared aroma: trans-2-hexenal (green, leafy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Raw egg yolk
- Emulsifies the oil and vinegar, helping the dressing thicken into a smooth, creamy texture.
- Hard boiled egg yolks
- Mashed into the base to add body and richness to the dressing.
- Olive oil
- Provides the fat that, emulsified with the yolks, gives the dressing its thick body.
- Vinegar
- Adds acidity that sharpens the flavour and balances the richness of the oil and yolks.
- Mustard
- Acts as a further emulsifier and adds a sharp, pungent flavour.
The step that matters
Slowly add the olive oil while beating. Adding oil too fast before the yolks have emulsified can cause the dressing to separate instead of thickening. Adding it gradually, alternating with vinegar, lets the egg yolk lecithin bind the oil into a stable emulsion.
Swap the mustard
How well each one fits the dish's main ingredients (egg, olive, vinegar, pepper, parsley):
- Capsicumfits better
- Shallotfits about as well
- Spinachfits about as well
- Mustardthe original
Fit is the average pairing score against egg, olive, vinegar, pepper, parsley. 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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