Name: Eel Pie
Ingredients: middling size eels; pepper; coarse sea salt; chopped parsley; mushrooms; butter; second stock; essence of anchovies

Why it works: Pepper and parsley 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 ↓

Eel Pie

Ingredients

Directions

Cut the eels into lengths of about three inches and skin them.
Mix together pepper, coarse sea salt, chopped parsley, and mushrooms.
Lay the eels in a dish with a few bits of butter, a little second stock, and a few drops of essence of anchovies.

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.

Pepper + parsleytop 2% of all pairs

Smell alikestrong

Cooked together34,122 recipes

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

Smell alikemoderate

Cooked together12,525 recipes

Shared aroma: trans-2-decenal (waxy, orange).
Pepper + mushroomtop 11% of all pairs

Smell alikemoderate

Cooked together13,580 recipes

Shared aroma: 2-nonenal (fatty, green).
Parsley + mushroomtop 11% of all pairs

Smell alikemoderate

Cooked together6,132 recipes

Shared aroma: 2,4-decadienal (seaweed).
Parsley + buttertop 15% of all pairs

Smell alikemoderate

Cooked together28,563 recipes

Shared aroma: trans-2-hexenal (green, leafy).