Why it works: Mustard and celery are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 4,169 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓
Green Tomato Pickles
Ingredients
Directions
Prepare the vegetables
Slice the tomatoes thinly and slice the onions thinly.
Sprinkle the tomatoes and onions with 1-2 cups coarse sea salt.
Let the salted tomatoes and onions stand overnight in a crock or enameled vessel.
Tie all spices in a cheesecloth bag.
Slice the lemon.
Chop the red pepper pods very finely.
Drain the tomatoes and onions well.
Cook and pack
Add all seasoning except one pepper pod to the vinegar.
Bring the vinegar to a full boil.
Add the tomatoes and onions to the boiling vinegar.
Cook slowly for 12-15 minutes.
Stir very carefully.
Remove the spice bag to prevent darkening of the product.
Pack the pickles in sterilized jars.
Garnish the jars with strips of the red pepper.
Seal the jars immediately.
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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Mustard + celerytop 2% of all pairsSmell alikemoderateCooked together4,169 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Mustard + allspicetop 2% of all pairsSmell alikestrongCooked together1,928 recipes
Shared aroma: methyleugenol (clove, spice).
-
Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Lemon + celerytop 3% of all pairsSmell alikestrongCooked together3,467 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Tomato + celerytop 4% of all pairsSmell alikemoderateCooked together3,377 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Green tomatoes
- Provide the bulk of the pickle and, once salted and drained, a firm texture that holds up to cooking.
- Large onions
- Add sweetness and savory body that mellows during the salt cure and simmer.
- Brown sugar
- Adds sweetness that balances the sharp vinegar and the salt.
- Vinegar
- Provides the acidity that preserves the pickles and gives them their tang.
- Coarse sea salt
- Draws water out of the tomatoes and onions, firming them and reducing the liquid in the jar.
The step that matters
Remove the spice bag after cooking. Spices left in the hot vinegar keep releasing color and flavor, which darkens the pickles and makes them taste harsher over time.
Swap the onion
How well each one fits the dish's main ingredients (tomato, sugar, lemon, pepper, mustard, allspice, celery):
- Capsicumfits better
- Horseradishfits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against tomato, sugar, lemon, pepper, mustard, allspice, celery. 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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