Why it works: Cucumber and tomato are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 2,405 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Chow Chow
Ingredients
Directions
Prepare the vegetables
Chop the onions and let them stand in water for 10 minutes.
Chop the other ingredients finely and sprinkle salt over them, adding the onions.
Let the mixture stand overnight.
Drain the mixture for 2 hours.
Macerate and season
Pour on weak vinegar and let it stand for 24 hours.
Pour off the vinegar and add 1-2 cups of sugar for every gallon of the mixture.
Pour on good vinegar and season with mace, cloves, and mustard.
Pour the vinegar on hot and keep covered closely.
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.
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Cucumber + tomatotop 4% of all pairsSmell alikemoderateCooked together2,405 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Cabbage + peppertop 5% of all pairsSmell alikemoderateCooked together4,081 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Cabbage + cucumbertop 5% of all pairsSmell alikestrongCooked together722 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + tomatotop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Cabbage + oniontop 7% of all pairsSmell alikestrongCooked together3,001 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
What each ingredient does
- Cabbage
- Provides bulk and a crisp texture that holds up through the long soak.
- Cucumbers
- Adds crunch and fresh, mild flavor to the relish.
- Green tomatoes
- Contribute tartness and body, helping the relish hold together as it cooks.
- Onions
- Add pungent aroma and savory depth to the mixture.
- Sugar
- Balances the sharpness of the vinegar with sweetness.
- Vinegar
- Provides acidity that preserves the vegetables and gives the relish its tang.
The step that matters
Draining after the overnight salting. Salt draws water out of the vegetables. Draining off that liquid before adding vinegar and sugar keeps the relish crisp and stops it from becoming watery and diluted.
Swap the mace
How well each one fits the dish's main ingredients (cabbage, cucumber, pepper, tomato, onion, sugar, vinegar):
- Garlicfits better
- Dillfits better
- Tarragonfits better
- Macethe original
Fit is the average pairing score against cabbage, cucumber, pepper, tomato, onion, sugar, vinegar. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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