Why it works: Egg and butter are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 118,967 recipes. Both carry decanal, which smells soap, orange peel. The science ↓
Plain Omelette
Ingredients
Directions
Prepare
Beat the yolks of the eggs lightly and whip the whites to a thick froth.
Season the mixture with salt and pepper.
Cook
Heat a frying pan and add a good amount of butter until it hisses.
Gently pour in the egg mixture and place over medium heat without stirring.
As the eggs set, carefully slide a broad-bladed knife under the omelette to prevent burning.
When cooked, place a hot dish upside down on top of the pan and flip the omelette onto the dish, folding it in half.
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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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Pepper + buttertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Egg + peppertop 33% of all pairsSmell alikelowCooked together50,580 recipes
Shared aroma: 2-nonenal (fatty, green).
Egg and pepper barely smell alike, yet cooks put them together in 50,580 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
- Whipped whites give the omelette a light, airy structure, while the yolks add richness and set into a tender body.
- Butter
- Fat for the pan that carries flavour, helps prevent sticking and adds richness and gentle browning.
The step that matters
Cooking over medium heat without stirring. Egg proteins set as they heat. High heat or stirring can overcook and toughen the base or scramble the mixture, while leaving it still lets a delicate layer set evenly.
“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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