Why it works: Fish and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 4,488 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Tench Stew
Ingredients
Directions
Make the stew
Combine the tench, fish stock, sherry, salt, pepper, and bay leaf in a stewpan.
Let the mixture stew gently for 1 hour.
Remove the tench from the stew.
Keep the tench hot on a dish.
Strain the cooking liquid.
Thicken and serve
Thicken the strained liquid with butter and flour kneaded together.
Cook the thickened sauce for 10 minutes.
If the sauce is not smooth, strain it through a fine sieve.
Add a pinch of cayenne.
Pour the sauce over the fish.
Garnish with veal forcemeat balls.
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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Fish + buttertop 12% of all pairsSmell alikemoderateCooked together4,488 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sherry + buttertop 14% of all pairsSmell alikemoderateCooked together3,505 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Sherry + peppertop 18% of all pairsSmell alikemoderateCooked together3,107 recipes
Shared aroma: piperonal (bitter, coconut).
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Fish + vealtop 19% of all pairsSmell alikelowCooked together230 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
Butter and flour barely smell alike, yet cooks put them together in 124,287 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
What each ingredient does
- Tench
- The main fish, which gently poaches in the stock to become tender and flavourful.
- Fish stock
- Forms the cooking liquid that becomes the base of the sauce.
- Sherry
- Adds acidity and aromatic depth to the stewing liquid.
- Butter
- Enriches the sauce with fat and smooth richness when cooked with flour.
- Flour
- Thickens the strained liquid into a sauce with body.
The step that matters
Thickening the sauce with butter and flour. Kneaded butter and flour must be cooked long enough to lose their raw starch taste and must be whisked in so lumps do not form. Cooking the sauce further, as the method directs, helps it thicken evenly and become smooth.
“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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