Why it works: Apple and ginger are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 1,424 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Pine-apple Preserves
Ingredients
Directions
Prepare
Pare and slice the apples.
Weigh the apples and use an equal amount of sugar.
Layer the apple slices in a jar, covering each layer with sugar until all are used.
Let the mixture stand overnight.
Cook the syrup
Remove the apples from the syrup.
Cook the syrup until it thickens.
Replace the apples in the syrup.
Boil for 15 minutes.
Remove the apples from the syrup.
Cool and jar
Let them cool.
Pack the apples into jars.
Pour the syrup over them.
Optionally, add a few pieces of ginger-root to the syrup while cooking.
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 + gingertop 9% of all pairsSmell alikemoderateCooked together1,424 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Sugar + gingertop 17% of all pairsSmell alikelowCooked together14,054 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
-
Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
Sugar and ginger barely smell alike, yet cooks put them together in 14,054 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
- Apples
- Provide the fruit body and pectin that help the preserve set as it cooks.
- Sugar
- Draws water out of the fruit and thickens the syrup, helping preserve the apples.
The step that matters
Cooking the syrup until it thickens. As water evaporates, the sugar concentration rises and the syrup thickens. Removing the apples during this stage keeps them from breaking down into mush while the syrup reduces.
Swap the ginger
The recipe marks ginger as optional. How well each one fits the dish's main ingredients (apple, sugar):
- Cinnamonfits better
- Gingerthe original
- Clovefits about as well
- Nutmegfits less well
Fit is the average pairing score against 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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