Why it works: Vinegar and lettuce are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 2,370 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Egg Salad
Ingredients
Directions
Prepare the eggs
Remove the shells from the eggs and cut each egg in half.
Take out the yolks and rub them through a fine sieve.
Make the filling
Add melted butter, vinegar, salt, and cayenne to the yolks; mix thoroughly.
Fill the halved egg whites with the yolk mixture.
Serve
Serve on lettuce leaves and add a little mayonnaise on each half.
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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Vinegar + lettucetop 14% of all pairsSmell alikemoderateCooked together2,370 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
-
Butter + vinegartop 23% of all pairsSmell alikemoderateCooked together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
-
Butter + lettucetop 25% of all pairsSmell alikemoderateCooked together2,287 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Egg + lettucetop 30% of all pairsSmell alikelowCooked together3,301 recipes
Shared aroma: nonanal (fat, citrus).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Hard cooked eggs
- Provide the yolks for the filling and the whites that hold it.
- Butter
- Adds richness and a smooth, creamy texture to the yolk mixture.
- Vinegar
- Adds acidity that brightens the flavour of the rich yolks.
- Mayonnaise
- Adds moisture and a creamy finish on top of each half.
The step that matters
Rubbing the yolks through a fine sieve. Pushing cooked yolks through a fine sieve breaks up lumps and yields a smooth, even texture. Skipping this leaves a grainy filling that is harder to mix with the butter and vinegar.
Swap the lettuce
How well each one fits the dish's main ingredients (egg, butter, vinegar):
- Cucumberfits better
- Shallotfits better
- Mustardfits better
- Lettucethe original
Fit is the average pairing score against egg, butter, vinegar. 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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