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 ↓
Quince Marmalade
Ingredients
Directions
Prepare
Peel and core the quinces, dropping each piece into cold water to prevent browning.
Make the marmalade
Combine the quinces, orange juice and pulp, lemon juice, and sugar in a large pot.
Cook over medium heat until the mixture thickens and the quinces are soft.
Jar
Pour into sterilized jars and seal while hot.
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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Orange + lemontop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Quince + orangetop 9% of all pairsSmell alikemoderateCooked together152 recipes
Shared aroma: ethyl isobutyrate (fruity, ethereal).
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Quince + lemontop 11% of all pairsSmell alikestrongCooked together336 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Orange + sugartop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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
- Quinces
- Provide the pectin and tart flavour that give the marmalade its body and set.
- Sugar
- Sweetens the fruit and, as it dissolves and concentrates, helps the mixture thicken and keep.
- Lemon juice
- Adds acidity that brightens the flavour and supports pectin setting.
- Oranges
- Contribute juice and pulp for extra pectin, citrus aroma and sweetness.
The step that matters
Cooking until the mixture thickens. Cook until the quinces are soft and the mixture thickens, since the sugar and pectin set as water evaporates. Undercooking leaves it runny and unable to keep well.
Swap the quince
How well each one fits the dish's main ingredients (orange, lemon, sugar):
- Limefits better
- Vanillafits better
- Blueberryfits better
- Quincethe original
Fit is the average pairing score against orange, lemon, sugar. 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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