Why it works: Clove and allspice match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 7,874 recipes. Both carry estragole, which smells anise, licorice. The science ↓
Ripe Tomato Soy
Ingredients
Directions
Prepare
Layer the tomatoes and onions in a large container, sprinkling salt between each layer.
Let the mixture stand for 24 hours to drain off the liquid.
Cook
Add vinegar, ground mustard, ground ginger, ground cloves, ground allspice, and cayenne pepper to the drained mixture.
Stew the mixture slowly for 2 to 3 hours.
When nearly done, stir in the brown sugar and mustard seed.
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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Clove + allspicetop 1% of all pairsSmell alikestrongCooked together7,874 recipes
Shared aroma: estragole (anise, licorice).
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Ginger + clovetop 1% of all pairsSmell alikestrongCooked together6,038 recipes
Shared aroma: estragole (anise, licorice).
-
Ginger + allspicetop 1% of all pairsSmell alikestrongCooked together2,620 recipes
Shared aroma: estragole (anise, licorice).
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Mustard + allspicetop 2% of all pairsSmell alikestrongCooked together1,928 recipes
Shared aroma: methyleugenol (clove, spice).
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Clove + peppertop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tomatoes
- Form the bulk of the sauce and provide its main body and flavor.
- Onions
- Add savory sweetness and body that softens during the long stew.
- Coarse sea salt
- Draws liquid out of the tomatoes and onions, concentrating the mixture.
- Vinegar
- Adds acidity that sharpens flavor and helps preserve the sauce.
- Brown sugar
- Adds sweetness and balances the acidity of the vinegar.
- Mustard seed
- Adds a pungent, slightly bitter bite and aroma to the sauce.
The step that matters
Drain the salted layers for 24 hours. Salt draws water out of the tomatoes and onions by osmosis. Skipping or shortening this rest leaves excess liquid, which dilutes the sauce and prolongs the stew.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (tomato, vinegar, mustard, ginger, clove, allspice, pepper):
- Capsicumbetter flavor fit
- Horseradishbetter flavor fit
- Shallotbetter flavor fit
- Onionthe original
Fit is the average pairing score against tomato, vinegar, mustard, ginger, clove, allspice, pepper. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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