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 ↓
Codfish Balls
Ingredients
Directions
Prepare the codfish
Boil the codfish.
Shred the boiled codfish into fine pieces, removing skin and bones.
Place the fish in a pot of cold water.
Bring the water to a slow boil. Skim off any scum.
Pour off the water and replace it with boiling water.
Bring to a boil again.
Drain well.
Combine and shape
In a bowl, mix the hot mashed potatoes with butter and milk until light.
Combine the hot fish and mashed potatoes quickly to maintain lightness.
Form the mixture into balls or thick, flat cakes.
Fry and serve
Heat enough lard or beef dripping in a vessel to immerse the balls.
Fry the balls in the hot fat until golden brown, turning to cook both sides.
Optionally dip each ball in beaten egg before frying for a smoother texture.
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).
-
Potato + beeftop 8% of all pairsSmell alikemoderateCooked together2,052 recipes
Shared aroma: sotolon (curry, maple).
-
Potato + milktop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
-
Milk + beeftop 12% of all pairsSmell alikemoderateCooked together3,759 recipes
Shared aroma: 1-hexanal (fruit).
-
Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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, providing flavor and a flaky texture when shredded.
- Hot mashed potatoes
- Bind the fish together and keep the mixture light and tender.
- Butter
- Adds richness and fat, softening the potato mixture and aiding browning.
- Milk
- Adds moisture to the mashed potatoes, keeping the mixture light and smooth.
- Beaten egg
- Helps bind the balls and gives a smoother surface when dipped before frying.
The step that matters
Combine the hot fish and mashed potatoes quickly. Starch in the potatoes sets as it cools and the mixture stiffens, so keeping everything hot and mixing quickly preserves a light, tender texture instead of a dense, gummy one.
“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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