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 ↓
Omelettes
Ingredients
Directions
Whip the egg whites separately until stiff.
In a bowl, combine the egg yolks with salt, pepper, and finely chopped onion.
Gently fold the whipped egg whites into the yolk mixture.
Heat ghee or butter in an omelette pan over medium heat.
Pour the egg mixture into the pan and cook until set, folding as needed.
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).
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Parsley + oniontop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Egg + parsleytop 21% of all pairsSmell alikemoderateCooked together18,765 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + gheetop 28% of all pairsSmell alikelowCooked together1,310 recipes
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the onion
How well each one fits the dish's main ingredients (egg, pepper, parsley, ghee):
- Carrotfits better
- Capsicumfits better
- Potatofits better
- Onionthe original
Fit is the average pairing score against egg, pepper, parsley, ghee. Candidates are from the same food group and used in at least 100 recipes.
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