Why it works: Pepper and lemon 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 ↓
Fresh Sturgeon Steak
Ingredients
Directions
Marinate
Soak the sturgeon slice in hot water for 5 minutes.
Drain and place in a bowl.
Add vinegar, melted butter, salt, black pepper, and lemon juice.
Let marinate for 6 hours, turning occasionally.
Coat and fry
Drain and dry on a napkin.
Dip in beaten egg, then roll in bread crumbs.
Fry in very hot fat until cooked.
Make the sauce and serve
For the sauce, beat the yolks of 2 eggs with French mustard.
Gradually add half of the marinate to make a smooth sauce.
Serve the sauce with the fish.
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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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Pepper + mustardtop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Lemon + mustardtop 11% of all pairsSmell alikestrongCooked together3,816 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sturgeon
- Forms the main body of the dish, cooked through to a firm, flaky texture.
- Eggs
- Bind the bread crumb coating to the fish and emulsify the sauce with the marinade.
- Bread crumbs
- Form a crisp, golden coating that browns in the hot fat.
- Vinegar
- Adds acidity to the marinade, which sharpens flavour and firms the fish surface.
- Melted butter
- Adds fat and richness, carrying flavour through the marinade and helping the coating brown.
- French mustard
- Adds sharp flavour and helps emulsify the egg yolks into a smooth sauce.
The step that matters
Fry in very hot fat until cooked. Very hot fat sears the crumb coating quickly so it turns crisp and golden before the fish dries out. Fat that is too cool soaks into the coating and makes the fish greasy and pale.
Swap the mustard
How well each one fits the dish's main ingredients (sturgeon, vinegar, butter, pepper, lemon, egg, bread):
- Capsicumfits better
- Shallotfits better
- Cucumberfits about as well
- Mustardthe original
Fit is the average pairing score against sturgeon, vinegar, butter, pepper, lemon, egg, bread. 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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