Name: Pickled Cucumbers
Ingredients: Cucumbers; Vinegar; Salt; Sugar; Spices (such as mustard seed, dill, or peppercorns)

Why it works: Cucumber and mustard match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 2,281 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Pickled Cucumbers

Ingredients

Directions

Wash and slice the cucumbers.
In a pot, combine vinegar, salt, sugar, and spices.
Bring the mixture to a boil.
Pour the hot mixture over the cucumbers in a jar.
Seal the jar and let it cool before refrigerating.

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.

Cucumber + mustardtop 3% of all pairs

Smell alikestrong

Cooked together2,281 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Vinegar + mustardtop 7% of all pairs

Smell alikemoderate

Cooked together14,067 recipes

Shared aroma: isobutyraldehyde (malty, green).
Cucumber + vinegartop 8% of all pairs

Smell alikemoderate

Cooked together4,734 recipes

Shared aroma: 2-methylbutyl acetate (fruit).
Vinegar + sugartop 15% of all pairs

Smell alikemoderate

Cooked together20,806 recipes

Shared aroma: beta-damascenone (apple, rose).
Sugar + mustardtop 19% of all pairs

Smell alikemoderate

Cooked together8,424 recipes

Shared aroma: guaiacol (smoky, sweet).