Why it works: Lemon and orange 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 ↓
Fruit Jelly
Ingredients
Directions
Make the jelly
Pour pineapple juice and cold water over gelatin.
Let stand for 1 hour.
Dissolve the gelatin mixture in boiling water.
Add granulated sugar and lemon juice.
Strain the mixture.
Prepare the fruit
Peel the oranges and quarter them, then cut the oranges into small pieces.
Cut the canned pineapple into small pieces.
Mix the fruit with the candied cherries.
Set and serve
Wait until the jelly is nearly firm, then stir in the fruit.
Fill a mold with the mixture.
Cool.
Serve with or without 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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Lemon + orangetop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Pineapple + orangetop 6% of all pairsSmell alikemoderateCooked together1,664 recipes
Shared aroma: ethyl isobutyrate (fruity, ethereal).
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Gelatin + sugartop 7% of all pairsSmell alikemoderateCooked together2,778 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Pineapple + lemontop 12% of all pairsSmell alikemoderateCooked together1,964 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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
- Gelatin
- Sets the liquid into a firm, sliceable jelly as it cools.
- Lemon juice
- Adds acidity that brightens the flavour and balances the sugar.
- Granulated sugar
- Sweetens the jelly and balances the acidity of the citrus and juices.
- Oranges
- Provide fresh citrus flavour and juicy texture in the set jelly.
- Pineapple
- Adds sweet, tangy fruit flavour and juicy pieces throughout the jelly.
The step that matters
Wait until the jelly is nearly firm before stirring in the fruit. If the gelatin is still liquid, the fruit sinks to the bottom instead of staying suspended. If it has already set firmly, the fruit will not distribute evenly and the layers may not bond well.
Swap the pineapple
How well each one fits the dish's main ingredients (gelatin, sugar, lemon, orange):
- Vanillafits better
- Limefits better
- Mangofits about as well
- Pineapplethe original
Fit is the average pairing score against gelatin, sugar, lemon, orange. 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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