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 ↓
Stuffed Eggs
Ingredients
Directions
Prepare the eggs
Boil the eggs for 20 minutes, then remove the shells.
Cut the eggs in half and remove the yolks.
If needed, slice a little off the ends of the egg whites so they can stand on a platter.
Make the filling
Mash the yolks and mix in mustard, butter or oil, pepper, salt, vinegar, and enough cream or milk to achieve the right consistency.
Assemble and serve
Make a bed of parsley on the platter before placing the egg whites.
Just before serving, pile the yolk mixture into the egg whites.
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).
-
Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Mustard + parsleytop 8% of all pairsSmell alikestrongCooked together2,588 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Provide the whites that hold the filling and the yolks that form the creamy base.
- Mustard
- Adds sharp, tangy flavor that cuts through the richness of the yolks.
- Butter or oil
- Adds fat that makes the yolk filling smooth and rich.
- Cream or rich milk
- Adds moisture so the mashed yolks reach a smooth, spreadable consistency.
- Vinegar
- Adds acidity that brightens the flavor of the rich yolk filling.
The step that matters
Adjust the yolk mixture with cream or milk. Yolks mash into a dense paste, and the liquid must be added gradually until the filling is smooth and pipeable. Adding too much makes it runny, while too little leaves it stiff and grainy.
Swap the mustard
How well each one fits the dish's main ingredients (egg, butter, pepper, vinegar, cream, parsley):
- Shallotfits better
- Capsicumfits about as well
- Chivefits about as well
- Mustardthe original
Fit is the average pairing score against egg, butter, pepper, vinegar, cream, parsley. 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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