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
Halve the oranges.
Cut the rind into shreds.
Boil the rind in three separate waters until tender.
Set the boiled rind aside.
Grate the rind of the remaining oranges.
Discard the thick white inner skin.
Quarter the oranges.
Remove the seeds.
Chop the quartered oranges into small pieces.
Drain the juice from the chopped oranges over the sugar without pressing.
Make the marmalade
Heat the mixture.
Stir until the sugar dissolves.
Add a little water if needed.
Boil and skim for five to six minutes.
Add the boiled shreds and cook for ten minutes.
Add the chopped fruit and grated peel.
Boil for an additional twenty minutes.
Jar and seal
Once cooled, transfer to small jars.
Seal with bladder or paper, covering with waxed cloth.
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
- Provide the peel for bitterness and aroma, plus the pulp and juice that form the marmalade body.
- Sugar
- Sweetens the marmalade and helps it set into a spreadable gel when boiled with the fruit.
The step that matters
Boil the mixture after adding the sugar. Pectin in the peel and pulp sets only when sugar and acid are boiled to a high enough concentration. Boiling too briefly leaves a runny result, while overcooking can darken and toughen the marmalade.
“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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