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 ↓
To Make Orange Marmalade
Ingredients
Directions
Prepare the peel
Cut the oranges into quarters and remove all the pulp, seeds, and skins.
Soak the rinds in salt water for two days.
Boil the rinds, changing the water three times to remove bitterness.
Once tender, cut the rinds into thin strips.
Make the marmalade
Wet the sugar with ½ cup of water and add the juice and pulp.
Boil the mixture for 10 minutes, skimming off any foam.
Add the peel and boil for an additional 20 minutes, stirring constantly to prevent burning.
Jar
Transfer the marmalade to preserving jars and cover.
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
- Seville orange peel
- Provides the bitter flavour and the chewy strips that give marmalade its texture.
- Lump sugar
- Sweetens the marmalade and helps it set into a spreadable gel as it thickens.
- Pulp and juice from the oranges
- Adds acidity and natural pectin, which help the marmalade set.
The step that matters
Stirring while the peel boils. Sugar-heavy mixtures scorch easily on the bottom of the pan once thick. Constant stirring spreads the heat evenly and prevents burnt flavour, and skimming foam keeps the final marmalade clear.
“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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