Why it works: Apple and lemon are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 7,551 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Jellied Apples
Ingredients
Directions
Prepare the syrup
Soak the gelatine in water for 2 hours.
Boil sugar, lemon juice, and water for 10 minutes.
Cook the apples
Add apples, cooking gently until tender enough to pierce with a straw.
Remove apples with a skimmer and spread on a platter.
Continue cooking remaining apples in the same way.
Set and serve
Remove the pan from heat and stir in the dissolved gelatine until nearly cold.
Gently mix in the apples and pour into a mold.
Set the mold on ice to harden.
Serve with sugar and whipped cream.
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 + lemontop 14% of all pairsSmell alikemoderateCooked together7,551 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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
- Gelatine
- Sets the cooked syrup and apples into a firm, sliceable jelly.
- Tart apples
- Provide the fruit body and a tart flavour that balances the sugar.
- Sugar
- Sweetens the syrup and helps give the jelly its body.
- Lemon juice
- Adds acidity that brightens the flavour and balances the sweetness.
The step that matters
Stirring in the gelatine until nearly cold. If the gelatine goes into a very hot syrup it can weaken its setting power, and if it is added when already too cold it may set unevenly or in lumps. Cooling it until nearly set lets it thicken the mixture evenly around the apples.
Swap the lemon
How well each one fits the dish's main ingredients (apple, sugar):
- Pearfits better
- Vanillafits better
- Apricotfits better
- Lemonthe original
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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