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 apples
Wipe the apples and cut them into pieces without peeling or removing the seeds.
Place the apple pieces in a porcelain kettle and barely cover with water.
Cover the kettle and boil for about 15 minutes until the apples are tender.
Drain the mixture through a flannel jelly bag without squeezing.
Make the jelly
Measure the juice.
For every pint of juice, add 1 pound of granulated sugar.
Put the juice in a porcelain kettle.
Bring the mixture to a boil.
Stir in the sugar until dissolved.
Boil rapidly for 15 to 20 minutes.
Test for jelliness after 15 minutes.
To test, place a teaspoonful of jelly on a cold saucer; if it holds its shape, it's ready.
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
- Apples
- Their natural pectin and acid let the juice set into a jelly.
- Granulated sugar
- Sweetens the jelly and helps it set by binding water and firming the pectin network.
The step that matters
Boiling rapidly after adding sugar. Pectin needs a rapid boil with enough sugar and acid to form a gel. Too little boiling leaves the jelly runny, while overcooking 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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