Why it works: Horseradish and oyster work together. They rank in the top 7% of all ingredient pairs, and 282 recipes mention both. Both carry 2-methylbutyraldehyde, which smells malty, chocolate. The science ↓
The recipe
Ingredients
Contains: fish, shellfish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare
Wash and cleanse the fish thoroughly.
Soak the fish in a saltwater solution for about 10 minutes.
Poach and serve
Place the fish in a fish kettle on a strainer and add enough water to cover it slightly.
Bring the water to a boil, skimming off any scum.
Cover the kettle tightly and simmer gently until the fish is cooked: about 30 minutes for a large fish, 20 minutes for a medium fish, or 15 minutes for a small fish.
Serve the fish garnished with scraped horseradish and with oyster or shrimp sauce.
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 aroma chemistry they share, and how many recipes mention both.
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Horseradish + oystertop 7% of all pairsAroma overlaplowMentioned together282 recipes
Shared aroma: 2-methylbutyraldehyde (malty, chocolate).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Fresh cod
- Is the main protein, cooked gently by simmering until it turns flaky and opaque.
The step that matters
Simmering gently under a covered kettle. Boiling vigorously toughens fish proteins and breaks the flesh apart, so the water should stay just below a boil. Covering the kettle holds in heat so the fish cooks evenly. Skimming removes scum that would cloud the broth.
“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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