Why it works: Allspice and mustard match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 1,928 recipes. Both carry methyleugenol, which smells clove, spice. The science ↓
Green Tomato Soy
Ingredients
Directions
Salt the tomatoes
Combine sliced green tomatoes and coarse sea salt in a bowl.
Let stand for 24 hours.
Strain the mixture and transfer to a pot.
Cook
Add chopped onions, black pepper, allspice, ground mustard, white mustard seed, and cayenne pepper.
Cover with vinegar and bring to a boil.
Cook until thickened like jam, stirring occasionally with a wooden spoon to prevent burning.
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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Allspice + mustardtop 2% of all pairsSmell alikestrongCooked together1,928 recipes
Shared aroma: methyleugenol (clove, spice).
-
Pepper + allspicetop 5% of all pairsSmell alikestrongCooked together6,395 recipes
Shared aroma: estragole (anise, licorice).
-
Onion + mustardtop 6% of all pairsSmell alikestrongCooked together9,259 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Green tomatoes
- Form the bulk of the pickle, softening into a chunky, jam-like texture as they cook.
- Coarse sea salt
- Draws water out of the tomatoes over 24 hours, firming them and concentrating the pickle.
- Vinegar
- Provides the acidity that preserves and sharpens the pickle while it simmers.
- White mustard seed
- Adds sharp, pungent flavour that mellows during cooking.
- Onions
- Contribute sweetness and body as they cook down into the thickened mixture.
The step that matters
Cooking until thickened, stirring. Thick sugars and solids in the pickle can scorch on the bottom of the pot. Frequent stirring with a wooden spoon keeps heat even and prevents burning while the liquid reduces.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (tomato, pepper, allspice, mustard, vinegar):
- Capsicumbetter flavor fit
- Horseradishbetter flavor fit
- Cucumberbetter flavor fit
- Onionthe original
Fit is the average pairing score against tomato, pepper, allspice, mustard, vinegar. 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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