Why it works: Parsley and pepper 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 ↓
Devilled Eggs
Ingredients
Directions
Prepare the filling
Boil the eggs hard and cut them lengthwise.
Remove the yolks and mash them.
Add cream, melted butter, onion or celery seed, parsley, salt, and pepper to the mashed yolks.
Fill and bake
Mix everything together and refill the egg whites with the mixture.
Sprinkle the top with beaten cracker.
Place in a pan with a little water and brown in the oven.
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.
-
Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 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
- Provide the whites that hold the filling and the yolks that form the creamy base.
- Cream
- Adds moisture and softness to the mashed yolks, keeping the filling smooth.
- Melted butter
- Adds fat for a richer, smoother filling texture.
- Beaten cracker
- Forms a crumb topping that browns in the oven for color and light crunch.
The step that matters
Brown in the oven. Baking with a little water in the pan gives gentle, even heat, so the cracker topping browns without drying out the filling or overcooking the egg whites.
Swap the onion
How well each one fits the dish's main ingredients (egg, cream, butter, parsley, pepper):
- Potatofits better
- Spinachfits better
- Chivefits better
- Onionthe original
Fit is the average pairing score against egg, cream, butter, parsley, pepper. 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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