Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Whiting Au Gratin
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 350°F (175°C).
In a dish, mix butter, flour, parsley, chives, mushrooms, pepper, and salt.
Assemble
Lay the cleaned fish on top of the mixture.
Cover the fish with the same seasoning and add more butter and grated bread crumbs.
Cook and serve
Moisten with stock and let it stew slowly until it begins to stick to the dish.
Serve in the dish it was baked in.
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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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Parsley + chivetop 3% of all pairsSmell alikestrongCooked together2,150 recipes
Shared aroma: coumarin (sweet, hay).
-
Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
Flour + chivetop 8% of all pairsSmell alikestrongCooked together1,168 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Chive + mushroomtop 9% of all pairsSmell alikemoderateCooked together553 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Whiting fish
- Forms the main body of the dish, cooking gently in the seasoned liquid to stay moist.
- Butter
- Adds fat for richness and helps the topping brown.
- Flour
- Thickens the buttery juices and stock into a light sauce.
- Bread crumbs
- Forms a topping that browns and adds a crisp texture.
- Stock
- Supplies moisture and savoury flavour as the fish stews.
The step that matters
Stewing the fish in stock. Slow, gentle stewing with a modest amount of stock cooks the fish through without drying it and lets the flour thicken the liquid into a sauce. Rapid boiling would toughen the fish and can break the sauce.
Swap the chive
How well each one fits the dish's main ingredients (whiting, fish, butter, flour, parsley, mushroom, pepper):
- Shallotfits better
- Chivethe original
- Carrotfits about as well
- Spinachfits about as well
Fit is the average pairing score against whiting, fish, butter, flour, parsley, mushroom, pepper. 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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