Why it works: Potato and pepper are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 8,305 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Codfish Balls
Ingredients
Directions
Prepare the mixture
In a saucepan, combine salt codfish and raw potatoes; cover with water and bring to a boil.
Drain the water, then pour fresh boiling water over the mixture and cook until tender.
Drain again and mash the mixture until fine.
Stir in butter, cayenne pepper, and beaten eggs until well combined.
Shape and fry
Form the mixture into balls, then roll in flour or crushed crackers.
Drop the balls into boiling lard and fry until golden brown.
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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Potato + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 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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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Potato + flourtop 15% of all pairsSmell alikemoderateCooked together5,355 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).
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
- Salt codfish
- Provides the savoury, salty flavour that defines the dish.
- Raw potatoes
- Adds starch and bulk, giving the balls a soft, tender interior.
- Eggs
- Bind the mashed mixture so the balls hold their shape while frying.
- Butter
- Adds fat and richness, keeping the interior moist and tender.
- Flour or rolled crackers
- Forms a dry outer coating that browns and crisps in the hot lard.
The step that matters
Drain and re-boil the codfish and potatoes. Changing the water removes excess salt from the codfish, so the balls taste balanced rather than harshly salty. Cooking until fully tender ensures the mash is smooth and easy to shape.
Swap the potato
How well each one fits the dish's main ingredients (butter, pepper, egg, flour):
- Chivefits better
- Shallotfits better
- Asparagusfits better
- Potatothe original
Fit is the average pairing score against butter, pepper, egg, flour. 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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