Name: Fish Dressing
Ingredients: 1 cup stale bread crumbs; ½ tablespoon salt; 1 tablespoon pepper; 1 teaspoon cayenne pepper; 1 tablespoon chopped parsley; 1 tablespoon grated onion; 1 tablespoon chopped pickles or capers; 2 tablespoons melted butter

Why it works: Parsley and capers match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,550 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Fish Dressing

Ingredients

Directions

Mix the bread crumbs and seasonings together in a bowl.
Add the melted butter and stir with a fork until well combined.

Recipe from a historical cookbook (Internet Archive).

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 + caperstop 1% of all pairs

Smell alikestrong

Cooked together1,550 recipes

Shared aroma: coumarin (sweet, hay).
Pepper + parsleytop 2% of all pairs

Smell alikestrong

Cooked together34,122 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Bread + buttertop 7% of all pairs

Smell alikemoderate

Cooked together27,232 recipes

Shared aroma: delta-decalactone (sweet, creamy).
Onion + caperstop 7% of all pairs

Smell alikestrong

Cooked together1,381 recipes

Shared aroma: coumarin (sweet, hay).
Parsley + oniontop 9% of all pairs

Smell alikemoderate

Cooked 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

Stale bread crumbs: Provide the bulk and absorbent body of the dressing.
Melted butter: Adds fat and moisture that binds the crumbs and carries the seasonings.
Grated onion: Adds aroma and a mild savory flavour to the dressing.

Swap the onion

How well each one fits the dish's main ingredients (bread, pepper, parsley, capers, butter):

Shallotfits better
Chivefits better
Mustardfits better
Onionthe original

Fit is the average pairing score against bread, pepper, parsley, capers, 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.