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 ↓
To Bake Fish in a Tin Dish
Ingredients
Directions
Prepare
Dry the fish well.
Grease a tin dish with butter or dripping.
Sprinkle chopped parsley and onions at the bottom of the dish.
Assemble
Place the fish in the dish and season with pepper and salt.
Top with remaining chopped onions, parsley, and bread crumbs.
Dot with a little butter or fat and pour a little water or broth over everything.
Bake
Bake in the oven until done.
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).
-
Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Parsley + oniontop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Fish + breadtop 10% of all pairsSmell alikemoderateCooked together1,668 recipes
Shared aroma: 2-undecenal (sweet).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Fish
- Forms the main body of the dish and becomes flaky and tender as it cooks.
- Butter or dripping
- Adds fat that carries flavour and helps keep the fish moist and the top browning.
- Bread crumbs
- Form a crisp, golden crust on top that protects the fish from drying out.
- Onions
- Release aromatic flavour into the dish as they soften during baking.
- Water or broth
- Creates steam and moisture in the dish, gently cooking the fish and keeping it juicy.
The step that matters
Bake in the oven until done. The record gives no time or temperature, so the fish can dry out or stay undercooked. Fish is done when it flakes easily at its thickest part and turns opaque.
Swap the onion
How well each one fits the dish's main ingredients (fish, butter, parsley, pepper, bread):
- Shallotfits better
- Potatofits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against fish, butter, parsley, pepper, 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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Brown Bread461 recipes
Fried Fish120 recipes
Fish Croquettes81 recipes
White Bread80 recipes