Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Fish Cake
Ingredients
Directions
Prepare the fish
Remove bones from the cold fish.
In a pot, combine fish bones, fins, heads, water, and sliced onion; stew for 1 hour.
Chop the fish finely and mix with mashed potatoes and bread crumbs.
Add minced parsley, salt, and pepper; mix well and form into a cake using 1 egg.
Coat and fry
Coat the cake with beaten egg and bread crumbs.
Fry in hot oil until light brown.
Serve
Strain the gravy and pour it over the fish cake before serving.
Garnish with parsley and lemon slices.
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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Parsley + lemontop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Onion + potatotop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Potato + parsleytop 5% of all pairsSmell alikemoderateCooked together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cold fish
- Forms the main body of the cake and gives it its flavour.
- Mashed potatoes
- Adds moisture and softness, helping the cake hold together without drying out.
- Bread crumbs
- Absorb moisture and add structure, and form a crisp, browned outer crust when fried.
- Egg
- Binds the mixture so the cake holds its shape and sets when cooked.
- Onion
- Adds aromatic flavour to the stock made from the fish bones and heads.
The step that matters
Frying in hot oil until light brown. The cake is already cooked through, so frying is for browning. Oil that is too cool lets the cake soak up grease and fall apart, while oil that is too hot browns the crumb coating before the centre warms. Moderate, steady heat gives an even golden crust.
Swap the onion
How well each one fits the dish's main ingredients (fish, potato, bread, parsley, pepper, egg, lemon):
- Asparagusfits better
- Spinachfits better
- Shallotfits better
- Onionthe original
Fit is the average pairing score against fish, potato, bread, parsley, pepper, egg, lemon. 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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