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 ↓
Fish Pie
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Assemble
Place a few slices of bacon at the bottom of a pie dish.
Layer pieces of fresh cod or haddock over the bacon.
Sprinkle with minced onion, parsley, pepper, and coarse sea salt.
Add more layers, finishing with bacon on top.
Make the sauce
In a hot saucepan, brown 1 tablespoon of flour with 1 tablespoon of butter.
Add hot water and 1 tablespoon of tomato sauce or Worcestershire sauce.
Pour the sauce over the fish.
Crust and bake
Make a rich crust.
Cover the dish with the crust.
Prick holes in the crust with a fork.
Bake at 400°F (200°C).
Serve with potatoes.
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.
-
Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Pepper + tomatotop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + tomatotop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Parsley + tomatotop 8% of all pairsSmell alikemoderateCooked together5,398 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 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
- Fresh cod or haddock
- Forms the main body of the pie and sets into flakes when baked.
- Bacon
- Adds savoury fat and salty flavour as it renders into the fish layers.
- Flour
- Browned with butter, it thickens the sauce so it clings to the fish.
- Butter
- Adds richness and fat, and helps the flour brown for a nutty flavour.
- Tomato sauce or worcestershire sauce
- Adds acidity and savoury depth to the sauce poured over the fish.
The step that matters
Brown the flour and butter before adding the hot water. Cooking flour in fat first removes its raw taste and allows it to thicken smoothly. Adding it cold or unbrowned can leave lumps and a pasty flavour.
Swap the tomato
How well each one fits the dish's main ingredients (haddock, onion, parsley, pepper, flour, butter):
- Chivefits better
- Potatofits better
- Shallotfits better
- Tomatothe original
Fit is the average pairing score against haddock, onion, parsley, pepper, flour, butter. 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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