Why it works: Olive and lemon are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 11,922 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Mayonnaise Dressing
Ingredients
Directions
Make the dressing
In a bowl, mix mustard, salt, powdered sugar, and cayenne.
Add the egg yolks and stir until smooth.
Slowly add the olive oil drop by drop while beating constantly.
Gradually add the lemon juice, alternating with the remaining olive oil.
If the mixture curdles, slowly add it to a new egg yolk to restore consistency.
The dressing should be smooth, glossy, and hold its shape.
Finish and serve
Thin with cream or beaten egg white before serving.
Keep all ingredients cold and serve immediately.
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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Olive + lemontop 7% of all pairsSmell alikemoderateCooked together11,922 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Mustard + olivetop 8% of all pairsSmell alikestrongCooked together5,950 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Mustard + lemontop 11% of all pairsSmell alikestrongCooked together3,816 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Emulsifiers that bind the oil and lemon juice into a stable, thick dressing.
- Olive oil
- Provides fat that, emulsified into the yolks, gives the dressing its body and richness.
- Lemon juice
- Adds acidity that brightens flavour and helps the emulsion set.
- Mustard
- Helps stabilise the emulsion so the oil stays dispersed in the dressing.
The step that matters
Adding the oil. Oil must go in very slowly while beating, because the yolks can only suspend small droplets at first. Adding it too fast breaks the emulsion and the mixture curdles.
Swap the mustard
How well each one fits the dish's main ingredients (sugar, egg, olive, lemon, cream):
- Spinachfits better
- Asparagusfits better
- Capsicumfits better
- Mustardthe original
Fit is the average pairing score against sugar, egg, olive, lemon, 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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