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
Gather apples that are not fully ripe and cut them into quarters or slices without peeling.
Place apples in a large pot with water and boil gently for 4 hours.
Strain the liquid from the apples and let it settle overnight.
Strain the liquid again through a fine cloth into a preserving pan.
Make the jelly
For each quart of liquid, add 1.5 pounds of lump sugar and boil quickly.
As foam rises, remove it.
Boil for 20 minutes.
Pour the jelly into pots and cover with paper the same day.
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 help the strained liquid set into a firm jelly.
- Lump sugar
- Sweetens the jelly and helps it set by binding water and firming the gel.
The step that matters
Boil quickly after adding the sugar and skim the foam. Sugar must dissolve and the liquid must reach a rolling boil so pectin and acid can form a gel. Skimming removes foam that would otherwise cloud the jelly and affect its clarity and keeping quality.
“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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