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
The book says “a moderate oven”. The 350°F in the steps is the modern equivalent, not the book's own figure.
Extract the juice
Wash the grapes and remove them from the stems.
Place the grapes in a saucepan with enough water to cover the bottom.
Cook slowly until the fruit is very soft and the juice is extracted.
Pour the mixture into a jelly bag and let the juice drip from the fruit.
Make the jelly
Measure the juice and use an equal volume of sugar.
Heat the juice and sugar in a moderate oven (350°F / 175°C).
Return the juice to the fire and cook until it thickens and forms a drop when dropped from a spoon.
Stir in the sugar until dissolved.
Continue boiling until a heavy drop forms on the spoon.
Pour the jelly into hot glasses and cover as directed.
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
- Grapes
- Provide the fruit juice that gives the jelly its flavour and colour.
- Sugar
- Sweetens the jelly and helps it set by binding with pectin and water.
The step that matters
Boiling until a heavy drop forms on the spoon. Sugar and pectin only set properly at a high concentration. Stopping too early leaves a runny jelly, while overcooking can make it stiff or grainy.
“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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