Why it works: Vinegar and butter are a kitchen classic. They rank in the top 14% of all ingredient pairs, and 13,453 recipes mention both. Both carry isoamyl acetate, which smells banana, pear. The science ↓
The recipe
Ingredients
Contains: milk, fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare
Clean the trout as described in the cookbook.
Bring a kettle of water to a boil and add the salt and vinegar.
Cook and serve
Gently boil the trout for about 20 minutes, depending on their size.
Dress the trout on a napkin and serve with melted butter mixed with chopped gherkins.
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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Vinegar + buttertop 14% of all pairsAroma overlapmoderateMentioned together13,453 recipes
Shared aroma: isoamyl acetate (banana, pear).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Trout
- The main protein, which firms and turns opaque as it poaches.
- Vinegar
- Adds acidity to the poaching water, sharpening the flavour of the fish.
- Butter
- Adds richness and a smooth, fatty texture to the serving sauce.
- Gherkins
- Add sharp acidity and a crisp bite that cuts through the butter.
The step that matters
Keep the water at a gentle boil. A rolling boil agitates the fish and can break up its delicate flesh. A gentle simmer cooks the trout evenly and keeps it intact, so it stays firm and flaky.
“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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