Why it works: Flour and parsley are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 16,675 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Cod Roe
Ingredients
Directions
Wash the roe in salt and water.
Cook gently for 30 minutes.
Drain and cut into slices.
Dip the slices in seasoned flour.
Coat with egg and bread crumbs.
Fry in hot fat until golden brown.
Drain on kitchen paper.
Serve on a hot dish garnished with fried parsley.
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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Flour + parsleytop 12% of all pairsSmell alikemoderateCooked together16,675 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + breadtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Roe + eggtop 14% of all pairsSmell alikemoderateCooked together243 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Bread + parsleytop 15% of all pairsSmell alikemoderateCooked together8,588 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and egg barely smell alike, yet cooks put them together in 106,462 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
Swap the parsley
How well each one fits the dish's main ingredients (roe, flour, egg, bread):
- Capersfits better
- Nutmegfits better
- Parsleythe original
- Turmericfits less well
Fit is the average pairing score against roe, flour, egg, bread. Candidates are from the same food group and used in at least 100 recipes.
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