Why it works: Orange and sugar are a kitchen classic. They rank in the top 20% of all ingredient pairs, and cooks put them together in 19,212 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Orange Marmalade
Ingredients
Directions
Prepare the fruit
Peel oranges and place peel in water. Boil until tender.
Scrape off the white lining from the peel, then cut the peel into small pieces.
Divide oranges into sections and use scissors to cut off the stringy edge, allowing seeds to come out easily.
Chop orange sections finely and add them to the cut peel.
Cook the marmalade
For every pint of orange mixture, add 1 pound of sugar and boil until thickened. It will thicken further as it cools.
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 + sugartop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
Orange and sugar barely smell alike, yet cooks put them together in 19,212 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
- The peel and pulp supply the bitter flavour and natural pectin that help the marmalade set.
- Sugar
- Sugar sweetens the mixture and, as it boils, helps it thicken and set.
The step that matters
Boil until thickened. The mixture must reach the concentration where sugar, acid and pectin can set it. It keeps thickening as it cools, so stopping too early leaves it runny, while boiling too long makes it stiff.
“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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