Name: Pickled Pigs' Feet
Ingredients: pigs' feet; coarse sea salt; vinegar; bay leaves; allspice; whole black pepper

Why it works: Allspice and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 6,395 recipes. Both carry estragole, which smells anise, licorice. The science ↓

Pickled Pigs' Feet

Ingredients

Directions

Place pigs' feet in a salt pickle for several days.
Boil the feet until just before the meat separates from the bones.
Split the feet lengthwise and place them in a jar.
Cover the feet with vinegar and add bay leaves, allspice, and whole black pepper.

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.

Allspice + peppertop 5% of all pairs

Smell alikestrong

Cooked together6,395 recipes

Shared aroma: estragole (anise, licorice).
Vinegar + allspicetop 13% of all pairs

Smell alikemoderate

Cooked together4,548 recipes

Shared aroma: 2-methylbutyl acetate (fruit).
Vinegar + peppertop 14% of all pairs

Smell alikemoderate

Cooked together27,814 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).