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 ↓
An Omelette
Ingredients
Directions
Prepare the filling
Beat the eggs for a few minutes.
Add chopped parsley, salt, pepper, and the stewed mushrooms to the eggs.
Cook and serve
Heat the butter in a pan until sufficiently hot.
Pour the egg mixture into the pan and cook until nicely browned, being careful not to overcook.
Serve with gravy poured over the omelette.
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 + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Mushroom + buttertop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Pepper + mushroomtop 11% of all pairsSmell alikemoderateCooked together13,580 recipes
Shared aroma: 2-nonenal (fatty, green).
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Parsley + mushroomtop 11% of all pairsSmell alikemoderateCooked together6,132 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Parsley + buttertop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Set into the structure of the omelette and provide its body when cooked.
- Butter
- Fat for the pan that carries heat evenly and adds richness and browning.
- Fresh mushrooms
- Add moisture and savory, earthy flavor to the filling.
The step that matters
Cooking the egg mixture without overcooking. Egg proteins set with heat, and too much heat or time makes them tight, dry, and rubbery. Cooking until just set and lightly browned keeps the omelette tender and moist.
Swap the parsley
How well each one fits the dish's main ingredients (egg, pepper, mushroom, butter):
- Parsleythe original
- Thymefits about as well
- Nutmegfits less well
- Tarragonfits less well
Fit is the average pairing score against egg, pepper, mushroom, 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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