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
Extract the juice
Cut the apples into slices, skin, core, and all, and place them in a preserving pan with enough water to cover them.
Boil the apples until they are reduced to a mash.
Strain the mixture through a fine sieve into a basin, then filter it through a flannel bag.
Measure the liquid.
Make the jelly
For every pint, use one pound of granulated sugar to make a syrup and boil it to the soft ball stage.
Mix the apple juice with the syrup.
Boil until it jellies, stirring with a wooden spatula to prevent scorching.
Remove any scum that rises to the top.
Check for doneness by seeing if it adheres to the spatula or sets on a cold plate.
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 pectin and acid, which allow the juice to set into a jelly.
- Granulated sugar
- Sweetens the jelly and, at this concentration, helps it set and keep its shape.
The step that matters
Boil until it jellies. The mixture must reach the right concentration to set. Stirring prevents scorching on the bottom of the pan, which would spoil the flavor, and the spatula or cold-plate test shows when setting point has been 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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