Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Cabbage Soup
Ingredients
Directions
Make the soup
In a pot, melt the butter and brown the shredded onion and cabbage, being careful not to burn them.
Drain the browned vegetables and add them to the boiling stock.
In a small bowl, mix the flour with cold water to create a paste, then add it to the soup to thicken.
If using dried herbs, powder them; if fresh, chop them and add to the soup.
Once the vegetables are tender, stir in the lemon juice.
Serve
Serve the soup over forcemeat balls 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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Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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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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Onion + cabbagetop 7% of all pairsSmell alikestrongCooked together3,001 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- White cabbage
- Forms the bulk of the soup and becomes tender and sweet as it cooks.
- Butter
- Browns the vegetables, adding nutty, savoury flavour from the milk solids.
- Flour
- Mixed with cold water to a paste, it thickens the stock into a richer body.
- Lemon juice
- Adds acidity that brightens the soup and balances the sweetness of the cabbage and onion.
The step that matters
Browning the onion and cabbage. Browning builds deep flavour through caramelisation and the Maillard reaction, but scorched vegetables turn bitter, so they should be cooked gently and watched closely.
Swap the onion
How well each one fits the dish's main ingredients (cabbage, lemon, pepper, butter, flour):
- Leekfits better
- Spinachfits better
- Broccolifits better
- Onionthe original
Fit is the average pairing score against cabbage, lemon, pepper, butter, flour. 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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