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
In a bowl, combine the egg yolks, 4 tablespoons of olive oil, and vinegar.
Heat the mixture gently while stirring until it thickens, then remove from heat. Continue stirring until the mixture cools.
Slowly add the remaining 4 tablespoons of olive oil, sweet cream, salt, mustard, and sugar, mixing well.
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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Olive + mustardtop 8% of all pairsSmell alikestrongCooked together5,950 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Cream + sugartop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Olive + vinegartop 10% of all pairsSmell alikemoderateCooked together12,297 recipes
Shared aroma: isoamyl acetate (banana, fruity).
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Vinegar + sugartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Emulsify the oil and cream, and thicken when gently heated to create a smooth dressing.
- Olive oil
- Provides fat that, emulsified with the yolks, gives the dressing its rich body.
- Vinegar
- Adds acidity that balances richness and helps the yolks thicken.
- Sweet cream
- Adds fat and moisture, softening the dressing's texture.
The step that matters
Heating the yolk mixture gently while stirring. Egg yolks thicken when heated, but too much heat or too fast scrambles them into lumps. Gentle, constant stirring keeps the mixture smooth and lets it thicken evenly before it cools.
Swap the mustard
How well each one fits the dish's main ingredients (egg, olive, vinegar, cream, sugar):
- Capsicumfits about as well
- Mustardthe original
- Cucumberfits about as well
- Asparagusfits less well
Fit is the average pairing score against egg, olive, vinegar, cream, sugar. 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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