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 ↓
Green Grape Jelly
Ingredients
Directions
Prepare
Stem the grapes and place them in a porcelain-lined kettle.
Barely cover the grapes with cold water and cover the kettle.
Extract the juice
Boil slowly until the grapes are very tender.
Drain the mixture through a flannel jelly bag.
Make the jelly
Add 2 lbs of granulated sugar per quart of juice.
Bring the juice to a boil.
Boil rapidly for about 20 minutes until it jellies, skimming off any scum.
Jar and set
Dip glasses into boiling water and fill them with the jelly.
Let the jelly cool and firm, then seal the tops.
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
- Fox grapes
- Provide the juice and flavour, along with natural pectin and acid that help the jelly set.
- Granulated sugar
- Sweetens the jelly and, with heat, helps the pectin form a firm gel.
The step that matters
Boil rapidly until it jellies. The jelly sets only when enough water evaporates and the sugar, acid and pectin reach the right concentration. Boiling too briefly leaves a runny jelly, while boiling too long can make it stiff and dull in flavour.
“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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