Why it works: Grape and sugar are a kitchen classic. They rank in the top 23% of all ingredient pairs, and cooks put them together in 7,490 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Grape Jelly
Ingredients
Directions
Boil grape juice for 20 minutes to evaporate water.
Add ½ pound sugar to the juice.
Boil gently for 5 minutes or until it congeals when cold.
To test for jelly, dip a spoon into the liquid, hold it up, and let it drop; the last drop should stay on the spoon.
Pour into sterilized 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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Grape + sugartop 23% of all pairsSmell alikelowCooked together7,490 recipes
Shared aroma: beta-damascenone (apple, rose).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Grape juice
- Provides the liquid and fruit flavour that the jelly is built from.
- Sugar
- Sweetens the jelly and helps it set when boiled with the juice.
The step that matters
Judging when the jelly is done. Boiling evaporates water and concentrates sugar and natural pectin. Cooking too briefly leaves the jelly runny, while cooking too long can make it stiff. The cold-spoon test shows whether it will set.
“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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