Why it works: Cabbage and beetroot match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 377 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
To Pickle Red Cabbage
Ingredients
Directions
Prepare the cabbage
Remove the coarse outer leaves from the cabbage and cut it into quarters, removing the stem.
Slice the cabbage into strips about ¼ inch wide.
Layer the cabbage strips in a deep dish, sprinkling salt between each layer, and let it sit for one day.
Drain the cabbage until the juice runs out.
Pickle and seal
Place the drained cabbage in a jar and pour boiling vinegar over it.
Season with peppercorns, ginger, and optional chilies.
Cover the jar lightly with a towel until it cools, then seal with bladder and leather.
For added flavor, boil beetroot for about two hours, peel, slice, and add to the jar with the cabbage.
You can also add slices of onion if desired.
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 + beetroottop 4% of all pairsSmell alikestrongCooked together377 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 + oniontop 7% of all pairsSmell alikestrongCooked together3,001 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beetroot + oniontop 8% of all pairsSmell alikestrongCooked together1,261 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Ginger + beetroottop 9% of all pairsSmell alikemoderateCooked together155 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
- Red cabbage
- Forms the main body of the pickle, staying crisp as it is salted and soaked.
- Coarse sea salt
- Draws water out of the cabbage, softening it and concentrating its flavor before pickling.
- Boiling vinegar
- Provides the acidity that preserves the cabbage and gives the pickle its sharp taste.
The step that matters
Salting and draining the cabbage. Enough salt must be layered in and the cabbage fully drained so excess water is removed; otherwise the brine dilutes, the pickle turns soft, and spoilage becomes more likely.
Swap the beetroot
The recipe marks beetroot as optional. How well each one fits the dish's main ingredients (cabbage, vinegar, ginger, pepper, onion):
- Mustardfits better
- Broccolifits better
- Radishfits better
- Beetrootthe original
Fit is the average pairing score against cabbage, vinegar, ginger, pepper, onion. 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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