Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Fish Omelet
Ingredients
Directions
Make the fish mixture
Cook the flour and butter together in a saucepan.
Gradually add the hot milk and a little pepper.
Pour boiling water over the shredded codfish, then drain the codfish.
Mix the codfish with the thickened milk.
Add the chopped cold boiled potatoes and mix well.
Cook and serve
Melt the butter in a skillet over medium heat.
Add the fish mixture.
Cook slowly until a thick crust forms.
Fold the omelet over.
Serve on a hot platter.
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 + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Pepper + potatotop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Milk + potatotop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + potatotop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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
- Flour
- Thickens the milk into a smooth sauce that binds the fish and potatoes.
- Butter
- Adds richness and flavor, and helps the omelet brown in the skillet.
- Milk
- Forms the creamy base that moistens the codfish and potatoes.
- Shredded codfish
- Provides the main savory flavor and fish texture of the omelet.
- Potatoes
- Add body and bulk, giving the filling a soft, starchy texture.
The step that matters
Cook slowly until a thick crust forms. Medium heat lets the underside set and brown gently before folding. Higher heat would scorch the butter and bottom while the filling stays wet inside.
Swap the potato
How well each one fits the dish's main ingredients (flour, butter, milk, pepper):
- Potatothe original
- Capsicumfits about as well
- Chivefits less well
- Shallotfits less well
Fit is the average pairing score against flour, butter, milk, pepper. 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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