Why it works: Butter and white wine are a kitchen classic. They rank in the top 9% of all ingredient pairs, and 5,083 recipes mention both. Both carry ethyl octanoate, which smells fruity, wine. The science ↓
Sole Au Gratin
serves 4Ingredients
Directions
Prepare the sole
Remove the gills, intestines, and dark skin from the sole; scale the white skin, wash, and pat dry.
Make a ½ cm deep incision on each side of the fish without cutting through.
Cook and serve
Place the sole in an oval dish and add butter, white wine, salt, and pepper.
Cover the sole with Italian sauce and sprinkle with breadcrumbs.
Cover the dish with a lid and cook on moderate heat for 15 minutes, ensuring it simmers continuously.
Serve in the dish.
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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Butter + white winetop 9% of all pairsAroma overlapmoderateMentioned together5,083 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Butter + saucetop 15% of all pairsAroma overlaplowMentioned together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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White wine + peppertop 15% of all pairsAroma overlapmoderateMentioned together5,433 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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White wine + saucetop 21% of all pairsAroma overlaplowMentioned together819 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Butter + peppertop 21% of all pairsAroma overlapmoderateMentioned together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Butter and sauce share little aroma chemistry, yet 15,338 recipes mention both: they likely 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
- Sole
- Provides the main protein, which firms and turns opaque as it cooks.
- Butter
- Adds fat and richness, carrying flavour and helping the fish stay moist.
- White wine
- Adds acidity and aroma, and creates steam and liquid that gently cooks the fish.
- Italian sauce
- Covers the fish, adding moisture and savoury flavour while it heats through.
- Breadcrumbs
- Form a crust on top that browns and adds texture.
The step that matters
Keep the heat moderate and the liquid simmering. Fish proteins tighten quickly under high heat and turn dry and rubbery. A gentle, steady simmer under a lid cooks the sole evenly and keeps it moist while the topping sets.
“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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