Why it works: Apple and grape match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,659 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓
Preserved Crab Apples
Ingredients
Directions
Prepare the apples
Wash the crab apples.
Cover the bottom of a preserving kettle with grape leaves and add the apples.
Hang the kettle over the fire with a little water and cover it tightly.
Simmer gently until the apples turn yellow, then remove and cool on a large dish.
Pare and core the apples.
Return the apples to the kettle with fresh grape leaves and a little water.
Hang over the fire until the apples turn green, ensuring they do not boil.
Make the syrup and preserve
Weigh the apples and use 1 pound of loaf sugar for every pound of apples.
Add just enough water to the sugar to dissolve it, then boil and skim the mixture.
Add the apples to the syrup and boil until they are clear and soft.
Transfer the apples to jars and pour the warm syrup over them.
Once cooled, seal the jars with brandy paper.
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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Apple + grapetop 1% of all pairsSmell alikestrongCooked together1,659 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
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Crab + sugartop 19% of all pairsSmell alikemoderateCooked together407 recipes
Shared aroma: hexanal (grass, green).
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Crab + appletop 22% of all pairsSmell alikelowCooked together343 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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Grape + sugartop 23% of all pairsSmell alikelowCooked together7,490 recipes
Shared aroma: beta-damascenone (apple, rose).
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, which softens and turns clear as it cooks in the syrup.
- Loaf sugar
- Sweetens the fruit and, in a thick syrup, preserves it by drawing out water.
The step that matters
Keep the apples from boiling while they turn green. Gentle heat lets the fruit soften and change colour evenly, while a rolling boil breaks down the skins and flesh, leaving the apples mushy and misshapen.
Swap the grape
How well each one fits the dish's main ingredients (crab, apple, sugar):
- Pearfits better
- Quincefits better
- Plumfits about as well
- Grapethe original
Fit is the average pairing score against crab, apple, 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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