Why it works: Parsley and leek match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 759 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Omelet
Ingredients
Directions
Prepare the mixture
Mix the flour with the herbs and cream.
Add salt, white pepper, and the well-beaten eggs.
Cook and serve
Melt the butter in a small frying pan and pour in the mixture.
When hot, stir quickly with a spoon.
As it begins to set, move it to the side of the pan opposite the handle.
Carefully turn up the edges with a spoon or knife and shake the pan until browned.
Turn the omelet onto a hot dish and serve immediately.
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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Parsley + leektop 4% of all pairsSmell alikestrongCooked together759 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Flour + leektop 8% of all pairsSmell alikestrongCooked together328 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + parsleytop 12% of all pairsSmell alikemoderateCooked together16,675 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Set into a tender structure as they cook, forming the body of the omelet.
- Butter
- Adds richness and helps the surface brown in the hot pan.
- Cream
- Adds moisture and softness, keeping the omelet tender rather than dry.
- Flour
- Helps bind the mixture and gives it a little more body when set.
The step that matters
Stirring while the eggs are hot. Stirring keeps small curds forming evenly so the eggs set soft. If the mixture is left still too long, it sets into a tough, rubbery layer with overcooked edges before the centre is done.
Swap the white pepper
How well each one fits the dish's main ingredients (egg, flour, parsley, leek, cream, butter):
- Capersfits better
- Nutmegfits better
- Tarragonfits better
- White pepperthe original
Fit is the average pairing score against egg, flour, parsley, leek, cream, butter. 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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