Why it works: Mustard and lettuce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,356 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Deviled Eggs
Ingredients
Directions
Prepare the eggs
Once the eggs are cold, remove the shells and cut each egg in half lengthwise.
Remove the yolks and mash them until smooth.
Make the filling
Mix the yolks with salt, mustard, vinegar, butter, sugar, and cream.
Fill the egg whites with the yolk mixture.
Serve
Sprinkle with paprika and serve on a bed of lettuce leaves.
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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Mustard + lettucetop 1% of all pairsSmell alikestrongCooked together1,356 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Vinegar + lettucetop 14% of all pairsSmell alikemoderateCooked together2,370 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Form the creamy, smooth base of the filling once mashed with the other ingredients.
- Mustard
- Adds sharp, pungent flavour that balances the richness of the yolks.
- Vinegar
- Adds acidity that brightens the flavour and cuts through the rich yolk filling.
- Butter
- Adds fat that makes the filling softer and richer in texture.
- Cream
- Adds moisture that loosens the filling and keeps it smooth and spreadable.
The step that matters
Mash the yolks until smooth. Yolks mashed before the other ingredients are added blend evenly into a smooth filling. Lumps left in the yolks will not disappear once the liquids are mixed in, so the texture of the finished filling depends on this step.
Swap the lettuce
How well each one fits the dish's main ingredients (egg, mustard, vinegar, butter, sugar, cream):
- Horseradishfits better
- Shallotfits about as well
- Chivefits about as well
- Lettucethe original
Fit is the average pairing score against egg, mustard, vinegar, butter, sugar, 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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