Why it works: Lemon and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Baked Trout
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare
Preheat the oven to 400°F (200°C).
Prepare a stuffing by seasoning the mashed potatoes as you would for baked pike.
Stuff the trout with the potato mixture and sew it up.
Bake
In a fish tin, place the sliced onions and bake until lightly browned.
Remove the dish and add lemon juice, cayenne, salt, and white pepper.
Place the trout in the baking dish, cover with breadcrumbs, and add butter or oil.
Baste the trout with the juices every 10 minutes while it cooks.
Once done, sprinkle with chopped parsley and serve with the gravy.
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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Lemon + parsleytop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Potato + oniontop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Potato + parsleytop 5% of all pairsSmell alikemoderateCooked together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Salmon trout
- Forms the main body of the dish and is cooked through by baking.
- Mashed potatoes
- Fill the fish as a moist stuffing that stays soft during baking.
- Butter or oil
- Adds fat that carries heat, keeps the fish moist and helps it brown.
- Onion
- Softens and browns in the dish, adding sweetness and aroma to the juices.
- Lemon juice
- Adds acidity that brightens the flavour of the rich fish.
The step that matters
Basting the trout every 10 minutes. Regular basting spoons fat and juices over the surface, keeping the fish from drying out while the outer layer browns. Opening the oven often to baste lets heat escape, so keep the visits brief.
Swap the white pepper
How well each one fits the dish's main ingredients (salmon, potato, onion, butter, lemon, pepper, parsley):
- Thymefits better
- Dillfits better
- Marjoramfits better
- White pepperthe original
Fit is the average pairing score against salmon, potato, onion, butter, lemon, pepper, 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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