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
Pare and cut apples into small pieces.
Place apples in a kettle and add 1 pint of water.
Cook until tender, then strain through a jelly bag.
Make the jelly
Return juice to the kettle and add ¾ pound of sugar for each pint of juice.
Cook for 2 minutes, then pour into jelly glasses.
Seal
Cover with writing paper dipped in egg white.
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).
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Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
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Apple + eggtop 30% of all pairsSmell alikelowCooked together7,461 recipes
Shared aroma: 2,4-decadienal (seaweed).
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
- Juicy tart apples
- Provide pectin and acidity that help the juice set into a jelly.
- Sugar
- Adds sweetness and helps the juice thicken and set as it cooks.
The step that matters
Cooking the juice with sugar for 2 minutes. Sugar and pectin need to reach a set point to gel; cooking too briefly leaves the jelly runny, while overcooking can make it stiff or cloudy.
Swap the apple
How well each one fits the dish's main ingredients (sugar, egg):
- Vanillafits better
- Raisinfits better
- Lemonfits better
- Applethe original
Fit is the average pairing score against sugar, egg. Candidates are from the same food group and used in at least 100 recipes.
“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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