Name: Brook Trout
Ingredients: Brook trout; Flour; Coarse sea salt; Black pepper; Butter; Salt pork (optional)

Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Brook Trout

Oven, in the book's wordsA moderate oven

Ingredients

Directions

Prepare

Wash and drain the brook trout for a few minutes.
Split the trout nearly to the tail.

Season and fry

Coat the trout with flour.
Season the trout with coarse sea salt and black pepper.
Fry the trout in a little butter or with slices of salt pork.

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.

Flour + buttertop 12% of all pairs

Smell alikelow

Cooked together124,287 recipes

Shared aroma: isobutyraldehyde (malty, green).
Butter + porktop 13% of all pairs

Smell alikemoderate

Cooked together13,933 recipes

Shared aroma: 2-furfurylthiol (coffee, roasted).
Pepper + porktop 16% of all pairs

Smell alikemoderate

Cooked together22,121 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Flour + peppertop 19% of all pairs

Smell alikemoderate

Cooked together50,459 recipes

Shared aroma: isobutyraldehyde (malty, green).
Pepper + buttertop 21% of all pairs

Smell alikemoderate

Cooked together85,593 recipes

Shared aroma: trans-2-nonenal (cardboard, fatty).

Flour and butter barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Brook trout: Forms the main body of the dish and cooks through in the pan.
Flour: Coats the fish and forms a crisp, golden browned crust when fried.
Butter: Conducts heat in the pan and adds richness and browning to the fish.

“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.