Why it works: Onion and parsley are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 25,843 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Jelly Omelet
Ingredients
Directions
Beat the egg yolks and cream together.
Add the minced onion and parsley to the mixture.
Beat the egg whites until frothy and fold them into the yolk mixture.
Cook in an omelet pan until set.
Spread jelly on the omelet just before folding it.
Turn out onto a warm platter and dust with powdered sugar.
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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Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Cream + sugartop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Cream + oniontop 18% of all pairsSmell alikelowCooked together10,827 recipes
Shared aroma: 2-nonanone (fruity, floral).
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Egg + sugartop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
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Egg + parsleytop 21% of all pairsSmell alikemoderateCooked together18,765 recipes
Shared aroma: 2,4-decadienal (seaweed).
Cream and onion barely smell alike, yet cooks put them together in 10,827 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
- Egg whites, beaten until frothy, create the light, airy structure, while yolks add richness.
- Cream
- Adds moisture and richness, keeping the omelet tender rather than dry.
- Jelly
- Adds sweetness and fruity flavor that contrasts with the savory onion and parsley.
The step that matters
Fold the beaten egg whites into the yolk mixture. Whites that are only lightly frothy or overmixed will deflate or toughen, so the omelet will not rise and set light and airy.
Swap the parsley
How well each one fits the dish's main ingredients (egg, cream, onion, sugar):
- Nutmegfits better
- Garlicfits better
- Cinnamonfits better
- Parsleythe original
Fit is the average pairing score against egg, cream, onion, sugar. 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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