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 Preserve Oranges or Lemons in Jelly
Ingredients
Directions
Prepare the fruit
Cut a hole at the stalk of each orange or lemon the size of a shilling.
Use a small blunt knife to scrape out the pulp without cutting the rind.
Soak the fruit in spring water for 2 days, changing the water twice a day.
On the last day, boil the fruit tender in a covered pot over low heat.
Make the syrup
For every pound of fruit, combine 2 pounds of double-refined sugar and 1 pint of water in a pot.
Add the juice of the orange and boil to create a syrup.
Clarify the syrup by skimming.
Let the syrup cool.
Cook in the syrup
Boil the fruit in the syrup for 4 hours.
If the syrup is not clear, repeat boiling daily until done.
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 or lemons
- Provide the fruit whose rind is candied and whose flesh is preserved in the syrup.
- Double-refined sugar
- Preserves the fruit and forms a thick syrup that sets the rind.
- Spring water
- Softens the fruit during the soaking stage, drawing out bitterness over repeated changes.
The step that matters
Boiling the fruit tender before adding syrup. Sugar hardens and slows softening of the peel, so the rind must be tender before it meets concentrated syrup. Under-boiling leaves the fruit tough and bitter.
“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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