Why it works: Grape and orange are a kitchen classic. They rank in the top 6% of all ingredient pairs, and cooks put them together in 1,771 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Grape Conserve
Ingredients
Directions
Prepare the fruit
Wash the grapes and place them in a kettle.
Boil until soft.
Rub the grapes through a colander to extract the juice.
Cut the oranges into small pieces.
Boil the orange rind in a separate pan of water until soft. Drain the rind and add fresh water. Boil again until soft.
Make the preserve
Combine the thick grape juice, walnuts, raisins, orange pieces, and boiled orange rind in the kettle.
Add 5 lbs of granulated sugar and boil until thickened.
Pour into jelly glasses and seal.
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 + orangetop 6% of all pairsSmell alikemoderateCooked together1,771 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Grape + walnuttop 8% of all pairsSmell alikemoderateCooked together1,427 recipes
Shared aroma: 1-hexanal (fruit).
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Walnut + orangetop 12% of all pairsSmell alikemoderateCooked together1,058 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
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Raisin + orangetop 13% of all pairsSmell alikemoderateCooked together1,684 recipes
Shared aroma: beta-damascenone (apple, rose).
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Walnut + raisintop 13% of all pairsSmell alikemoderateCooked together647 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Concord grapes
- Provide the main fruit body and juice, which gives the preserve its base flavor and body.
- Granulated sugar
- Adds sweetness and, when boiled, helps the mixture thicken into a preserve.
- Raisins
- Add concentrated sweetness and chewy texture as they soften in the cooking liquid.
- English walnut meats
- Add crunch and a nutty flavor that contrasts with the soft fruit.
- Oranges
- Contribute acidity and aroma from the pieces and the rind.
The step that matters
Boil until thickened. Sugar and fruit must cook long enough to reach a thick, spreadable set. Too little boiling leaves a runny preserve that may spoil, while overcooking can make it stiff and caramelised.
Swap the raisin
How well each one fits the dish's main ingredients (grape, walnut, meat, orange, sugar):
- Figfits better
- Vanillafits better
- Cherryfits better
- Raisinthe original
Fit is the average pairing score against grape, walnut, meat, orange, 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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