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 ½ cup of water for 2 hours.
Combine sugar, lemon juice, and the remaining water in a pot.
Boil rapidly for 10 minutes.
Cook the apples
Add apples to the pot.
Cook gently until tender enough to pierce with a straw.
Remove apples with a skimmer and place on a platter.
Repeat with remaining apples.
After cooking all apples, remove the pot from heat.
Set and serve
Stir in the dissolved gelatine.
Place the pot in a basin of ice water. Stir until cool.
Add the apples to the gelatine mixture. Mix well.
Pour into a mold.
Set in a cool place to harden.
Serve with whipped cream or soft custard.
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
- Tart apples
- Provide the fruit body and flavor that the jelly sets around and holds in place.
- Gelatine
- Sets the cooking liquid into a firm jelly that holds the apples when cooled.
- Sugar
- Sweetens the syrup and balances the tartness of the apples and lemon.
- Lemon juice
- Adds acidity that brightens the flavor and sharpens the sweet syrup.
The step that matters
Stir in the dissolved gelatine off the heat and cool before adding apples. Gelatine loses its setting power if boiled and must be cooled to a syrupy state so it thickens evenly. Adding apples too early can leave them floating or breaking apart, so cooling the mixture first keeps the fruit suspended and the jelly uniform.
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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