Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Apple Jelly
Ingredients
Directions
Prepare the apples
Pare, core, and slice the apples.
Place them in a preserving pan and cover with water.
Stir occasionally and simmer gently until the apples have fallen apart.
Strain the juice
Pour the mixture into a jelly bag.
Strain the juice without pressing the pulp.
Measure the juice.
Make and set the jelly
Add 1 pound of sugar for every pint of juice.
Return the juice and sugar to the preserving pan.
Optionally, add cloves or lemon rind.
Boil gently for about 30 minutes, skimming as needed, until a small amount sets on a plate.
Jar
Pour the hot jelly into jars.
Cover once cooled.
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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Orange + lemontop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Lemon + saffrontop 1% of all pairsSmell alikestrongCooked together538 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Orange + saffrontop 3% of all pairsSmell alikemoderateCooked together185 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Clove + saffrontop 5% of all pairsSmell alikestrongCooked together455 recipes
Shared aroma: estragole (anise, licorice).
-
Orange + clovetop 6% of all pairsSmell alikemoderateCooked together1,987 recipes
Shared aroma: ethyl octanoate (fruity, wine).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Orange-pippins or rosy-cheeked apples
- Provide the pectin and fruit flavour that set the jelly.
- Sugar
- Adds sweetness and, with boiling, helps the jelly thicken and set.
- Water
- Softens the apples so their juice can be drawn out.
The step that matters
Judging the set on a plate. Jelly sets only once enough sugar, acid and pectin are concentrated by boiling. Stopping too early leaves a runny result, while boiling too long can make it stiff. Testing a cold plate shows whether it has reached setting point.
Swap the clove
The recipe marks clove as optional. How well each one fits the dish's main ingredients (orange, sugar, lemon, saffron):
- Cinnamonfits better
- Corianderfits better
- Thymefits better
- Clovethe original
Fit is the average pairing score against orange, sugar, lemon, saffron. 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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