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 oranges
Buy small sour oranges in January or February.
Place the oranges in a kettle and cover the kettle with cold water.
When the water begins to boil, pour off the water and cover the kettle again with cold water.
Repeat this process three or four times.
On the last boil, let the oranges cook until they can be pierced with a straw.
Transfer the oranges to a platter and let them sit overnight.
Make the marmalade
Peel the oranges and chop the peel finely.
Rub the pulp through a colander and mix the pulp with the chopped peel.
Add an equal weight of sugar to the mixture and put everything into a kettle.
Boil until thick enough.
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
- Small sour oranges
- Their peel and pulp supply the bitter flavor and pectin that give marmalade its character and set.
- Sugar
- Sweetens the marmalade and, when boiled down, helps it thicken and keep.
The step that matters
Boil until thick enough. Marmalade sets as the sugar concentrates and pectin gels on cooling. Stopping too early leaves it runny, while boiling too long can make it stiff and dark.
“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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