Why it works: Cabbage and onion match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 3,001 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Red-cabbage
Ingredients
Directions
Prepare
Heat the butter in a saucepan.
Add the minced onion, salt, and shaved cabbage.
Add a little water if necessary.
Simmer and finish
Simmer for about 3 hours.
Add vinegar and sugar 1 to 2 hours before serving.
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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Cabbage + oniontop 7% of all pairsSmell alikestrongCooked together3,001 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Cabbage + vinegartop 13% of all pairsSmell alikemoderateCooked together2,924 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Onion + vinegartop 14% of all pairsSmell alikemoderateCooked together18,226 recipes
Shared aroma: acetic acid (sour, vinegar).
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Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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Vinegar + sugartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cabbage
- Forms the bulk of the dish and softens into a tender, braised texture as it simmers.
- Onion
- Adds savory depth and a mild sweetness as it cooks down in the fat.
- Butter or good drippings
- Carries flavor and gives the cabbage richness while it braises.
- Vinegar
- Adds sharp acidity that balances the sweetness and brightens the cabbage's red color.
- Sugar
- Rounds out the sharpness of the vinegar with a gentle sweetness.
The step that matters
Add vinegar and sugar 1 to 2 hours before serving. Acid added early can slow the cabbage from softening, leaving it tough. Adding the vinegar and sugar late lets the cabbage become tender first, and the sweet-sour balance then settles into the dish before serving.
Swap the cabbage
How well each one fits the dish's main ingredients (onion, butter, vinegar, sugar):
- Mustardfits better
- Chivefits better
- Capsicumfits better
- Cabbagethe original
Fit is the average pairing score against onion, butter, vinegar, sugar. 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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