Why it works: Apple and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 16,478 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Apple Jelly
Ingredients
Directions
Prepare the fruit
Wipe and cut the apples into quarters without peeling them.
For each pound of fruit, add 3 pints of cold water.
Bring to a boil and then boil rapidly for 30 minutes.
Strain the mixture.
Make the jelly
For every pint of juice, add 1 pound of sugar.
Return to the kettle and boil rapidly for another 30 minutes.
Immediately pour into tumblers.
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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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
Apple and sugar barely smell alike, yet cooks put them together in 16,478 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
- Sour apples with red skins
- Provide natural pectin and acidity that help the juice set into a jelly.
- Granulated sugar or loaf sugar
- Adds sweetness and helps the juice thicken and set as it cooks down.
The step that matters
Boiling the juice with sugar. Sugar and acid must be boiled at a rapid, sustained rate so the pectin and sugar reach the concentration needed to gel. Under-boiling leaves the jelly runny, while overcooking can darken and dull its 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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