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
Slice the oranges thinly and remove the seeds.
Add 4 cups of water to the sliced oranges and let it stand for 24 hours.
Cook and set
Boil the mixture until the orange slices are tender.
Weigh the mixture, then add 1½ pounds of lump sugar for each pound of fruit.
Boil until the syrup jellies and the orange slices are clear, about 1 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 + 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
- Supply pectin and acid for setting, plus the bitter peel flavor that defines marmalade.
- Lump sugar
- Concentrates the syrup so it can set and preserves the fruit, while adding sweetness.
The step that matters
Boil until the syrup jellies. A set depends on the right sugar concentration combined with the pectin and acid from the fruit. Stopping too early leaves a runny marmalade, while boiling too long can make it stiff and dull in flavor.
“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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