Why it works: Mustard and vinegar are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Devilled Eggs
Ingredients
Directions
Prepare
Cut the hard boiled eggs in half and remove the yolks.
Mash the yolks with a spoon until fine.
Make the filling
Add sugar, mustard, salt, and butter; mix well.
Add vinegar to form a thick paste.
Fill and serve
Fill the egg whites with the mixture, heaping it up and leaving a rough surface.
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 + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Sugar + vinegartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
-
Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Sugar + mustardtop 19% of all pairsSmell alikemoderateCooked together8,424 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Provide the rich, creamy base that the filling is built on.
- Butter
- Adds fat for a smoother, richer texture in the yolk filling.
- Mustard
- Adds sharp flavor that balances the richness of the yolks.
- Vinegar
- Adds acidity that brightens the flavor and balances sweetness.
- Sugar
- Adds a small amount of sweetness to balance the sharpness of mustard and vinegar.
The step that matters
Mashing the yolks until fine. Yolks mashed until fine blend smoothly with butter and seasoning. Lumps leave a grainy filling, and the vinegar must be added gradually so the mixture forms a thick paste rather than a runny one.
Swap the mustard
How well each one fits the dish's main ingredients (egg, sugar, butter, vinegar):
- Mustardthe original
- Capsicumfits about as well
- Cucumberfits about as well
- Shallotfits about as well
Fit is the average pairing score against egg, sugar, 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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