Name: Potato Croquettes
Ingredients: 4 tablespoons butter; Yolks of 2 eggs; ½ teaspoon salt; 4 tablespoons finely chopped parsley; 4 teaspoons pepper; Few grains cayenne

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 ↓

Potato Croquettes

Ingredients

Directions

Melt the butter in a bowl.
Add the egg yolks, salt, parsley, pepper, and cayenne; mix well.
Shape the mixture into small croquettes.
Dip each croquette in breadcrumbs, then in the egg, and again in breadcrumbs.
Fry in deep fat until golden brown, then drain on brown paper.

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.

Photo for illustrative purposes only · Contact us to use it

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 pairs

Smell alikestrong

Cooked together34,122 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Butter + parsleytop 15% of all pairs

Smell alikemoderate

Cooked together28,563 recipes

Shared aroma: trans-2-hexenal (green, leafy).
Butter + eggtop 17% of all pairs

Smell alikemoderate

Cooked together118,967 recipes

Shared aroma: decanal (soap, orange peel).
Egg + parsleytop 21% of all pairs

Smell alikemoderate

Cooked together18,765 recipes

Shared aroma: 2,4-decadienal (seaweed).
Butter + peppertop 21% of all pairs

Smell alikemoderate

Cooked together85,593 recipes

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