Why it works: Lemon and olive 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 ↓
Quick Mayonnaise
Ingredients
Directions
In a small deep bowl, combine lemon juice, salt, egg, and 5 teaspoons of olive oil.
Beat the mixture with a hand mixer until thoroughly mixed.
Gradually add the remaining olive oil, 2 or 3 tablespoons at a time, beating well between each addition.
Ensure all ingredients are cold.
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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Lemon + olivetop 7% of all pairsSmell alikemoderateCooked together11,922 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Lemon + eggtop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
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Egg + olivetop 31% of all pairsSmell alikemoderateCooked together15,340 recipes
Shared aroma: 2,4-decadienal (seaweed).
Lemon and egg barely smell alike, yet cooks put them together in 44,316 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
- Egg yolk lecithin binds oil and water, letting the sauce emulsify and thicken.
- Olive oil
- Forms the bulk of the sauce, giving it body, richness and flavor.
- Lemon juice
- Adds acidity that brightens the flavor and balances the richness of the oil.
The step that matters
Adding the oil gradually. Oil must be dispersed as tiny droplets, each coated by egg yolk proteins and lecithin. Adding it in small amounts while beating lets the emulsion form. Adding too much at once can break the emulsion so the sauce stays oily and does not thicken.
Swap the lemon
How well each one fits the dish's main ingredients (egg, olive):
- Lemonthe original
- Avocadofits about as well
- Pumpkinfits less well
- Cherryfits less well
Fit is the average pairing score against egg, olive. 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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