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 ↓
Dropped Codfish Balls
Ingredients
Directions
Cook the fish and potatoes
Boil the potatoes in a pot of water until tender.
Layer the codfish on top of the potatoes, cover with boiling water, and boil for 30 minutes.
Drain the water and mash the fish and potatoes together until smooth.
Mix
Mix in the butter, pepper, and beaten eggs until well combined.
Fry
Heat a deep pan of boiling fat.
Dip a tablespoon in the hot fat, scoop a spoonful of the mixture, and drop it into the boiling fat.
Fry until golden brown, about 10 minutes, dipping the spoon in the fat each time.
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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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Potato + eggtop 29% of all pairsSmell alikemoderateCooked together4,978 recipes
Shared aroma: (e)-2-octenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Codfish
- Supplies the main flavor and most of the bulk of the mixture.
- Potatoes
- Provide a soft starchy base that makes the mixture smooth and light.
- Eggs
- Bind the mixture and help the balls set while they fry.
- Butter
- Adds richness and moisture to the mixture.
The step that matters
Dip the spoon in the hot fat before each ball. A spoon dipped in hot fat keeps the sticky mixture from clinging to it. The fat must be boiling so the outside sets and browns quickly, keeping each ball from absorbing excess fat and falling apart.
Swap the potato
How well each one fits the dish's main ingredients (egg, butter, pepper):
- Capsicumfits better
- Asparagusfits about as well
- Chivefits about as well
- Potatothe original
Fit is the average pairing score against egg, butter, 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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