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 ↓
Mayonnaise Dressing
Ingredients
Directions
Beat the egg yolks thoroughly with an egg beater.
Add the lemon juice.
Gradually add the olive oil, about ½ teaspoon at a time, while beating thoroughly until all the oil is used.
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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Egg + lemontop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
-
Egg + olivetop 31% of all pairsSmell alikemoderateCooked together15,340 recipes
Shared aroma: 2,4-decadienal (seaweed).
Egg and lemon 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 yolks
- Emulsify the oil and water in the lemon juice, forming a thick, stable sauce.
- Olive oil
- Provides the fat that gives the dressing its rich body and smooth texture.
- Lemon juice
- Adds acidity that brightens the flavour and helps stabilise the emulsion.
The step that matters
Adding the oil gradually. Oil must be dispersed into the yolks in small amounts while beating. Adding it too fast overwhelms the emulsion, so it breaks and separates instead of thickening.
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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