Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Preserved Tomatoes
Ingredients
Directions
Place the small green tomatoes in cold clarified syrup.
Add 1 sliced orange for every 2 lbs of tomatoes, or 2 fresh lemons for superior preserves.
Simmer over low heat for 2 to 3 hours.
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.
-
Orange + lemontop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Tomato + orangetop 9% of all pairsSmell alikestrongCooked together689 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Tomato + lemontop 11% of all pairsSmell alikemoderateCooked together4,592 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Lemon + syruptop 20% of all pairsSmell alikelowCooked together2,235 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Orange + syruptop 23% of all pairsSmell alikelowCooked together1,179 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Small green tomatoes
- Form the bulk of the preserve, becoming tender and holding their shape as they simmer slowly.
- Orange
- Adds aroma and a bright, slightly bitter citrus note that balances the sweet syrup.
- Lemons
- Add acidity and brightness, and their pectin helps the preserve set.
The step that matters
Simmer over low heat. Slow, gentle simmering keeps the tomatoes intact and tender while the syrup slowly penetrates them. Rapid boiling can break the fruit apart and make the syrup cloudy or overly thick.
Swap the tomato
How well each one fits the dish's main ingredients (orange, lemon, syrup):
- Arrowrootfits better
- Carrotfits better
- Sweet potatofits better
- Tomatothe original
Fit is the average pairing score against orange, lemon, syrup. 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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Tomato Soup526 recipes
Lemon Sauce236 recipes
Cream of Tomato Soup107 recipes
Tomato Bisque61 recipes