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 ↓
Crab Apple Jelly
Ingredients
Directions
Prepare the fruit
Remove the stems from the apples.
Remove the flower buds from the apples.
Cut out any spots on the apples.
Halve the apples if they are large.
Place the apples in a pot with enough water to just cover the fruit.
Cover the pot tightly.
Cook the apples until soft.
Mash the apples well.
Strain the mixture through a jelly bag overnight.
Make the jelly
Measure the juice.
Add one full pint of sugar for each pint of juice.
Boil the juice briskly for 15 minutes.
Skim off any foam.
Add the sugar.
Bring the mixture to a boil again.
Skim while boiling for another 10 minutes or until it jellies on a spoon.
Set and store
Pour the mixture into jars or bowls.
Cover with a thin fabric to keep flies away.
Let it harden for one to two days.
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.
-
Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Crab + sugartop 19% of all pairsSmell alikemoderateCooked together407 recipes
Shared aroma: hexanal (grass, green).
-
Crab + appletop 22% of all pairsSmell alikelowCooked together343 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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
- Crab apples
- Provide the fruit pectin and acid that let the juice gel once boiled with sugar.
- Sugar
- Sweetens the juice and helps it set into a firm jelly while boiling.
- Water
- Softens the apples during cooking so their juice can be extracted.
The step that matters
Skim while boiling to the jelly point. Foam must be removed for a clear jelly, and the mixture must reach the set point; undercooking leaves it runny while overcooking can make it stiff or cloudy.
Swap the apple
How well each one fits the dish's main ingredients (crab, sugar):
- Raisinfits better
- Lemonfits better
- Vanillafits better
- Applethe original
Fit is the average pairing score against crab, sugar. 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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