Why it works: Milk and butter 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 ↓
Codfish Balls
Ingredients
Directions
Prepare the codfish
Soak the codfish in cold water for 1½ hours.
Drain the codfish.
Cover the fish with boiling water and simmer for 20 minutes.
Make the sauce
Drain the water and add 1½ pints of new milk and the butter.
In a separate bowl, mix ½ pint of milk with 3 tablespoons of flour until smooth.
Stir in the beaten eggs and black pepper.
When the milk mixture boils, stir in the flour mixture.
Cook for 5 more minutes, stirring frequently.
Serve
Serve immediately in a warmed vegetable dish.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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
- Codfish
- Forms the main body of the balls and provides the savoury flavour of the dish.
- Flour
- Thickens the milk mixture so it becomes a smooth, cohesive binder.
- Eggs
- Set when heated, helping bind the mixture together.
- Milk
- Adds moisture and creaminess to the mixture as it thickens.
- Butter
- Adds richness and fat, contributing to a softer texture and flavour.
The step that matters
When the milk mixture boils, stir in the flour mixture.. Flour needs to be added to hot liquid and stirred steadily so starch can gelatinise evenly; adding it cold or without stirring can leave lumps.
“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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