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 ↓
Salmon Loaf
Ingredients
Directions
Prepare the loaf
Drain and flake the salmon into pieces.
Crush the crackers and grind the onion.
In a bowl, combine the salmon, crushed crackers, ground onion, and unbeaten eggs.
Pack the mixture into a buttered mold.
Cook and make the sauce
Boil for 1 hour.
For the sauce, melt the butter in a saucepan, then whisk in the flour until smooth.
Gradually add the milk, stirring constantly until thickened.
Serve
Turn the salmon loaf onto a plate, garnish with parsley and hard-boiled eggs.
Serve each slice with a spoonful of sauce.
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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Coffee + milktop 10% of all pairsSmell alikemoderateCooked together2,202 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour 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
- Eggs
- Bind the mixture and help the loaf set firm when cooked.
- Salmon
- Provides the main body and flavor of the loaf.
- Crackers
- Absorb moisture and add bulk so the loaf holds together.
- Butter
- Fat that combines with flour to form the base of the sauce.
- Flour
- Thickens the butter and milk into a smooth white sauce.
- Milk
- Liquid that swells the flour and turns the sauce creamy as it thickens.
The step that matters
Gradually add the milk, stirring constantly until thickened. Adding milk slowly while stirring keeps the flour mixture smooth; dumping it in at once can leave lumps that are hard to remove. Flour thickens as its starch swells in hot liquid.
Swap the onion
How well each one fits the dish's main ingredients (salmon, egg, pepper, butter, flour, coffee, milk):
- Potatofits better
- Asparagusfits better
- Capsicumfits better
- Onionthe original
Fit is the average pairing score against salmon, egg, pepper, butter, flour, coffee, milk. 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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