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 juice
Wash, peel, and quarter the apples, using the cores and peels if they are perfect.
Boil the apples separately and strain the mixture.
Place the strained juice in a bag to drain.
Make the jelly
For every pint of juice, add ¾ cup of sugar and bring to a boil.
Boil until a drop in cold water becomes hard.
Remove from heat and pour into jelly glasses.
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
- Provide the pectin and acid that help the juice set into a jelly.
- Sugar
- Sweetens the jelly and helps it set firmly and keep well.
The step that matters
Boil until a drop in cold water becomes hard. Pectin and sugar set the jelly only at a high enough concentration. Stopping too early leaves a runny jelly, while boiling too long makes it stiff and cloudy-tasting. The cold-water drop test shows when the set point is reached.
“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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