Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Baked Tbout with Shrimp Sauce
Ingredients
Directions
The book says “a very hot oven”. The 400°F in the steps is the modern equivalent, not the book's own figure.
Prepare the fish
Clean, wash, and dry the salmon trout.
Gash each side in six places and insert a lardon of fat salt pork in each gash.
Brush the inside of the fish with melted butter mixed with lemon juice.
Bake
Place a rack in a baking pan, lay the fish on it, and pour boiling water in the bottom.
Bake in a very hot oven (400 °F / 200 °C) for 12 minutes per pound, basting with melted butter three or four times.
Make the shrimp sauce
In a saucepan, cook butter with flour until combined.
When the fish is done, strain the pan juices into the saucepan and stir until thickened.
Add salt, pepper, caramel for color, lemon juice, and chopped shrimp.
If the sauce is too thick, reduce with boiling water and boil for one minute.
Serve
Garnish the fish with parsley and lemon.
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 + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + shrimptop 11% of all pairsSmell alikemoderateCooked together2,931 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Salmon + shrimptop 13% of all pairsSmell alikemoderateCooked together819 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
-
Pork + buttertop 13% of all pairsSmell alikemoderateCooked together13,933 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
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
- Salmon trout
- Is the main body of the dish, cooked whole so its flesh becomes flaky and moist.
- Salt pork lardons
- Inserted into the gashes, they render fat that moistens and flavours the fish as it bakes.
- Butter
- Basting fat that promotes browning and carries flavour over the fish surface.
- Flour
- Cooked with butter to form a roux that thickens the pan juices into the sauce.
- Shrimp
- Chopped into the sauce, adding savoury seafood flavour and texture.
The step that matters
Thickening the sauce with the roux. Flour must be cooked fully with butter before the pan juices are added, and the sauce must be stirred while it thickens. Stirring keeps starch granules dispersed so the sauce stays smooth rather than lumpy.
Swap the lemon
How well each one fits the dish's main ingredients (salmon, pork, butter, flour, pepper, sauce, shrimp):
- Avocadofits better
- Lemonthe original
- Coconutfits about as well
- Limefits about as well
Fit is the average pairing score against salmon, pork, butter, flour, pepper, sauce, shrimp. 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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