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 ↓
Pineapple Ice
Ingredients
Directions
Prepare the base
Dissolve the gelatin in the water.
Pass the pineapple through a colander using a wooden pestle.
Add the lemon and orange juice to the pineapple.
Freeze and finish
Sweeten to taste and freeze the mixture.
When it begins to freeze, beat the egg whites and stir them in.
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).
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Pineapple + orangetop 6% of all pairsSmell alikemoderateCooked together1,664 recipes
Shared aroma: ethyl isobutyrate (fruity, ethereal).
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Pineapple + lemontop 12% of all pairsSmell alikemoderateCooked together1,964 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + eggtop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
Lemon and sugar 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
- Gelatine
- Sets the liquid so the frozen mixture holds a firm, smooth body.
- Pineapple
- Provides the main fruit flavour and bulk of the ice.
- Lemon juice
- Adds acidity that brightens the sweetness and sharpens the flavour.
- Sugar
- Adds sweetness and lowers the freezing point, keeping the ice softer.
- Egg whites
- Whipped foam traps air, making the ice lighter and more tender.
The step that matters
Stirring in the beaten egg whites. Whites must be beaten to a foam and folded in only once the mixture has partly frozen. Partly frozen mixture is thick enough to hold the air bubbles, so the ice stays light instead of deflating or separating.
Swap the pineapple
How well each one fits the dish's main ingredients (lemon, orange, sugar, egg):
- Vanillafits better
- Limefits better
- Blueberryfits about as well
- Pineapplethe original
Fit is the average pairing score against lemon, orange, sugar, egg. 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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