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 ↓
Red Mullets
Ingredients
Directions
The book says “a warm oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the fish
Preheat the oven to 400°F (200°C).
Place the red mullets in a sturdy dish and sprinkle with chopped onions, parsley, pepper, coarse sea salt, and salad oil.
Bake in the warm oven for 30 minutes.
Make the sauce
In a stew pan, heat 1 tablespoon of chopped onions and 1 teaspoon of salad oil over moderate heat until yellowish.
Add 1 tablespoon of sherry, ½ pint of melted butter, and chopped mushrooms.
Reduce the sauce over high heat, stirring until it thickens.
Serve
Once the mullets are done, pour the sauce over them and serve.
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).
-
Sherry + mushroomtop 5% of all pairsSmell alikemoderateCooked together1,176 recipes
Shared aroma: 2-methoxy-4-methylphenol (smoky, clove).
-
Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Onion + mushroomtop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Red mullets
- The main fish, which is cooked whole in the oven until flaky.
- Melted butter
- Adds richness and a smooth body to the sauce as it reduces.
- Chopped mushrooms
- Add earthy flavour and bulk to the sauce as it reduces and thickens.
- Sherry
- Adds acidity and aromatic depth to the sauce.
The step that matters
Reduce the sauce over high heat. Stirring constantly while the sauce reduces keeps the butter from separating and the sauce from scorching on the bottom of the pan, so it thickens smoothly.
Swap the onion
How well each one fits the dish's main ingredients (parsley, pepper, sherry, butter, mushroom):
- Shallotfits better
- Capsicumfits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against parsley, pepper, sherry, butter, mushroom. 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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