Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 27,039 recipes mention both. Both carry 2-nonenal, which smells fatty, green. The science ↓
The recipe
Ingredients
Contains: milk, wheat, fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the fish
Scale and gut the fish, then wash and dry them thoroughly.
Stew
Place the fish in a stewpan with water, red wine, lemon pickle, browning, mushroom powder, cayenne pepper, onion with cloves, and horseradish.
Cover the pan and stew gently over low heat until the gravy reduces to cover the fish.
Thicken and serve
Remove the fish and place them on a serving dish.
Thicken the gravy with butter rolled in flour, boil briefly, and strain over the fish.
Garnish with pickled mushrooms, scraped horseradish, and fish roes, some fried and cut into small pieces, and some boiled.
Just before serving, squeeze lemon juice into the 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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Lemon + peppertop 2% of all pairsAroma overlapstrongMentioned together27,039 recipes
Shared aroma: 2-nonenal (fatty, green).
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Mushroom + buttertop 3% of all pairsAroma overlapstrongMentioned together12,516 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Pepper + clovetop 3% of all pairsAroma overlapstrongMentioned together13,144 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Red wine + mushroomtop 3% of all pairsAroma overlapstrongMentioned together720 recipes
Shared aroma: 2-methoxy-4-methylphenol (smoky, clove).
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Red wine + clovetop 4% of all pairsAroma overlapmoderateMentioned together636 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Rolled in flour, it thickens the gravy and adds richness.
- Flour
- Combined with butter, it thickens the gravy as it cooks.
- Red wine
- Adds acidity and depth to the liquid the fish stew in.
- Lemon juice
- Added at the end, it brightens the sauce with acidity.
The step that matters
Stewing gently over low heat. Gentle heat keeps the delicate fish from breaking apart while the gravy reduces. Vigorous boiling would toughen the flesh and cloud the sauce.
Flavor stand-ins for the horseradish
How well each one fits the dish's main ingredients (red wine, lemon, mushroom, pepper, onion, clove, butter):
- Tomatobetter flavor fit
- Capsicumbetter flavor fit
- Carrotbetter flavor fit
- Horseradishthe original
Fit is the average pairing score against red wine, lemon, mushroom, pepper, onion, clove, butter. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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