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 ↓
Red Apples in Jelly
Ingredients
Directions
Prepare the apples
Pare and core the apples, placing them in water as you work.
In a preserving pan, add the apples with just enough water to cover them halfway.
Cook the apples
Coddle the apples, turning them when the lower side is done, ensuring they are not too close together.
Mix pounded cochineal with the water and boil with the apples.
Once the apples are cooked, place them stalk down on a serving dish.
Make the jelly and finish
Strain the cooking water and make a rich jelly by boiling it with loaf sugar and the lemon rind and juice.
Allow the jelly to cool, then pour it over and around the apples.
Cut the lemon peel into narrow strips and place them across the eye of each apple.
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).
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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
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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
- Apples
- Provide the main body and structure, holding their shape while they cook and soften.
- Loaf sugar
- Sweetens the jelly and helps it set firm as it cools.
- Lemon
- Its juice adds acidity to brighten the jelly, and its rind adds aroma.
- Cochineal
- Gives the apples and jelly their red colour.
The step that matters
Using minimal cochineal. Cochineal is a strong colourant; too much can make the dish taste bitter, while too little leaves the colour weak, so measure it carefully and dissolve it in the cooking water before the apples go in.
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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