Name: Liver and Parsley Sauce
Ingredients: Liver; Parsley; ⅓ cup melted butter

Why it works: Parsley and butter are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 28,563 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓

Liver and Parsley Sauce

Ingredients

Liver
Parsley
⅓ cup melted butter

Directions

Blanch the parsley and liver separately.
Mince the parsley and liver.
Stir the minced parsley and liver into the melted butter.

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 + buttertop 15% of all pairs

Smell alikemoderate

Cooked together28,563 recipes

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

Smell alikelow

Cooked together1,095 recipes

Shared aroma: alpha-pinene (pine, turpentine).
Liver + buttertop 19% of all pairs

Smell alikemoderate

Cooked together2,065 recipes

Shared aroma: guaiacol (smoky, sweet).