Name: Pickled Peaches
Ingredients: large cling-stone peaches; grape leaves; saleratus (baking soda); coarse sea salt; water; vinegar; whole pepper; allspice; mustard seed

Why it works: Allspice and mustard match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 1,928 recipes. Both carry methyleugenol, which smells clove, spice. The science ↓

Pickled Peaches

Ingredients

Directions

Line a kettle with grape leaves and place large cling-stone peaches inside.
Sprinkle a bit of baking soda among the peaches, then cover with coarse sea salt and water.
Simmer over low heat until the peaches are green.
Boil enough vinegar to cover the peaches, adding whole pepper, allspice, and mustard seed.
Scald the peaches with the vinegar mixture for four mornings.

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 + mustardtop 2% of all pairs

Smell alikestrong

Cooked together1,928 recipes

Shared aroma: methyleugenol (clove, spice).
Pepper + allspicetop 5% of all pairs

Smell alikestrong

Cooked together6,395 recipes

Shared aroma: estragole (anise, licorice).
Peach + grapetop 5% of all pairs

Smell alikestrong

Cooked together218 recipes

Shared aroma: 2,6-nonadienal (cucumber, green).
Vinegar + mustardtop 7% of all pairs

Smell alikemoderate

Cooked together14,067 recipes

Shared aroma: isobutyraldehyde (malty, green).
Pepper + mustardtop 9% of all pairs

Smell alikemoderate

Cooked together15,430 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

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

Swap the peach

How well each one fits the dish's main ingredients (grape, vinegar, pepper, allspice, mustard):

Limefits better
Cherryfits better
Mangofits better
Peachthe original

Fit is the average pairing score against grape, vinegar, pepper, allspice, mustard. Candidates are from the same food group and used in at least 100 recipes.