Why it works: Parsley and shallot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 3,737 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Cat-fish
Ingredients
Directions
Prepare
Clean and prepare the catfish.
Cook
In a pot, melt butter over medium heat.
Add the catfish and season with salt and pepper.
Cook until the fish is tender.
Stir in chopped parsley and shallot if desired.
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 + shallottop 1% of all pairsSmell alikestrongCooked together3,737 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Pepper + shallottop 11% of all pairsSmell alikemoderateCooked together5,898 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Butter + parsleytop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Butter + shallottop 17% of all pairsSmell alikemoderateCooked together4,426 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Catfish
- Forms the main body of the dish and cooks into flaky, tender flesh.
- Butter
- Adds fat for richness and carries flavor while the fish cooks gently.
- Shallot
- Adds a mild, sweet onion-like aroma when cooked in the dish.
The step that matters
Cook until the fish is tender. Fish proteins set quickly with heat, and overcooking squeezes out moisture, leaving the flesh dry and firm. Check for flakiness early and stop cooking as soon as it is opaque and tender.
Swap the shallot
The recipe marks shallot as optional. How well each one fits the dish's main ingredients (catfish, pepper, butter, parsley):
- Capsicumfits better
- Carrotfits about as well
- Okrafits about as well
- Shallotthe original
Fit is the average pairing score against catfish, pepper, butter, parsley. 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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