Name: Mustard Pickles
Ingredients: small cucumbers; button onions; cauliflower; sliced green tomatoes; sliced green peppers

Why it works: Cucumber and cauliflower match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 584 recipes. Both carry 2-hexenal, which smells green, leafy. The science ↓

Mustard Pickles

Ingredients

Directions

Combine equal quantities of small cucumbers, button onions, cauliflower, sliced green tomatoes, and sliced green peppers.
Soak the mixture in a brine solution.

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 + cauliflowertop 1% of all pairs

Smell alikestrong

Cooked together584 recipes

Shared aroma: 2-hexenal (green, leafy).
Cucumber + tomatotop 4% of all pairs

Smell alikemoderate

Cooked together2,405 recipes

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

Smell alikemoderate

Cooked together17,923 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Cucumber + oniontop 8% of all pairs

Smell alikestrong

Cooked together6,050 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Onion + tomatotop 8% of all pairs

Smell alikemoderate

Cooked together20,633 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 onion

How well each one fits the dish's main ingredients (cucumber, cauliflower, tomato, pepper):

Broccolifits better
Lettucefits better
Capsicumfits better
Onionthe original

Fit is the average pairing score against cucumber, cauliflower, tomato, pepper. Candidates are from the same food group and used in at least 100 recipes.