Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Deviled Eggs
Ingredients
Directions
Prepare the eggs
Drop hard-boiled eggs into cold water immediately after boiling.
Peel and cut the eggs in half without breaking the whites.
Remove the yolks and mash them with olive oil until smooth.
Fill and serve
Stir in chopped mushrooms, parsley, and a splash of lemon juice.
Stuff the egg whites with the yolk mixture.
Garnish with lettuce or watercress and serve.
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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Parsley + lemontop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Parsley + lettucetop 5% of all pairsSmell alikestrongCooked together1,483 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Olive + lettucetop 5% of all pairsSmell alikestrongCooked together2,580 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Olive + parsleytop 6% of all pairsSmell alikestrongCooked together9,649 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Olive + mushroomtop 7% of all pairsSmell alikemoderateCooked together4,571 recipes
Shared aroma: trans,trans-2,4-nonadienal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Hard-boiled eggs
- Provide the white shells for filling and the yolks that form the creamy filling.
- Olive oil
- Adds fat that makes the mashed yolks smooth and moist.
- Mushrooms
- Add savory earthy flavor and a bit of texture to the filling.
- Lemon juice
- Adds acidity that brightens the rich yolk filling.
The step that matters
Peel and cut the eggs in half without breaking the whites. Egg whites are delicate and tear easily when hot or freshly cooked. Chilling the eggs right after boiling firms the whites and makes the shell peel cleanly, so the halves hold their shape to be filled.
Swap the lettuce
How well each one fits the dish's main ingredients (egg, olive, mushroom, parsley, lemon):
- Shallotfits better
- Spinachfits better
- Asparagusfits better
- Lettucethe original
Fit is the average pairing score against egg, olive, mushroom, parsley, lemon. 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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