Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Deviled Eggs
Ingredients
Directions
Boil and halve
Boil the eggs for 20 minutes.
Once cool enough to handle, cut the eggs in half lengthwise.
Fill and serve
Remove the yolks and mash them into a paste with melted butter, cayenne pepper, salt, and a dash of vinegar.
Fill the egg whites with the yolk mixture.
Serve on a platter garnished with parsley.
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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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Pepper + vinegartop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Butter + parsleytop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Vinegar + parsleytop 16% of all pairsSmell alikemoderateCooked together6,477 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Yolks are mashed into a rich paste, and the whites hold the filling.
- Melted butter
- Adds fat that makes the yolk paste smooth and rich.
- Vinegar
- Adds a little acidity that brightens the rich yolk filling.
The step that matters
Boiling the eggs. Overcooking makes the whites rubbery and can cause a grey-green ring around the yolk, caused by iron and sulfur compounds reacting. Cooling the eggs promptly helps prevent this and makes them easier to peel and cut.
Swap the parsley
How well each one fits the dish's main ingredients (egg, butter, pepper, vinegar):
- Tarragonfits about as well
- Parsleythe original
- Dillfits less well
- Thymefits less well
Fit is the average pairing score against egg, butter, pepper, 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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