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 ↓
Orange Marmalade
Ingredients
Directions
Prepare
Peel and slice the oranges and lemons into narrow strips, removing the seeds.
Combine the sliced fruit with water in a large bowl and let it stand overnight.
Cook
In the morning, bring the mixture to a boil.
Add the granulated sugar and boil for one hour.
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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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
- Oranges
- Provide the bitter peel and pulp that give marmalade its characteristic flavor and pectin-rich body.
- Lemons
- Add acidity and additional pectin, helping the marmalade brighten and set.
- Granulated sugar
- Sweetens the marmalade and, at high concentration, helps it gel as it cooks.
The step that matters
Boiling the sugar in for one hour. Sugar must dissolve fully before the long boil, and the mixture needs enough heat and time to reach the concentration at which pectin sets. Too little boiling leaves the marmalade runny.
“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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