Why it works: Butter and parsley are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 28,563 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Omelettes
Ingredients
Directions
Prepare the eggs
Crack the eggs into a bowl and stir until yolks and whites are mixed.
Add 1 teaspoon of cold water for each egg and mix well.
Cook the omelette
Heat a frying pan and add sweet butter until hot.
Pour the egg mixture into the pan, adding any chopped flavoring.
Shake the pan occasionally as the omelette sets.
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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Butter + parsleytop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
-
Egg + parsleytop 21% of all pairsSmell alikemoderateCooked together18,765 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Provide the structure that sets into the omelette's body when heated.
- Cold water
- Adds moisture that turns to steam, keeping the omelette tender and light.
- Sweet butter
- Adds fat for flavour and helps keep the eggs from sticking to the pan.
The step that matters
Shake the pan occasionally as the omelette sets. Gentle movement keeps the egg moving so small curds form and the surface does not overcook. Constant heavy shaking can break the set, while no movement lets the bottom scorch before the top sets.
Swap the parsley
How well each one fits the dish's main ingredients (egg, butter):
- Nutmegfits about as well
- Parsleythe original
- Capersfits about as well
- Tarragonfits less well
Fit is the average pairing score against egg, 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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