Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Codfish and Potato Stew
Ingredients
Directions
Prepare the cod
Soak, boil, and pick the salted codfish.
If using fresh codfish, boil and break it into bits.
Make the stew
Combine the codfish with an equal quantity of mashed potatoes, 1 tablespoon of butter, and enough milk to make the mixture soft.
Transfer the mixture to a skillet and add a small amount of boiling water to prevent burning.
Turn and toss the mixture constantly until it is hot but not dry.
Season with pepper and parsley, then serve.
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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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Potato + parsleytop 5% of all pairsSmell alikemoderateCooked together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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 + milktop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Codfish
- Provides the main protein and flaky texture that forms the body of the stew.
- Mashed potatoes
- Bind the fish and add body and softness to the mixture.
- Butter
- Adds richness and fat for a smoother, more rounded flavour.
- Milk
- Adds moisture so the mixture becomes soft and creamy rather than dry.
The step that matters
Toss until hot but not dry. Stirring constantly over heat evens out the temperature and drives off excess moisture. Stopping too early leaves it cold in places, while overcooking dries the potatoes and fish, making the stew crumbly and tough.
Swap the parsley
How well each one fits the dish's main ingredients (potato, butter, milk, pepper):
- Parsleythe original
- Thymefits about as well
- Cinnamonfits less well
- Nutmegfits less well
Fit is the average pairing score against potato, butter, milk, 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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