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 ↓
Red Grape Ice
Ingredients
Directions
Make the grape base
Select about a fourth of the grapes to reserve for later.
Combine the grapes, water, and sugar in a pot.
Squeeze the juice from the lemon and orange into the mixture.
Cook over medium heat until the sugar dissolves and the mixture is syrupy.
Cool the mixture, then blend until smooth.
Strain the mixture to remove solids.
Finish and freeze
Whip the egg whites until stiff peaks form.
Fold the whipped egg whites into the grape mixture.
Freeze according to your ice cream maker's instructions.
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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Grape + orangetop 6% of all pairsSmell alikemoderateCooked together1,771 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Grape + lemontop 14% of all pairsSmell alikemoderateCooked together2,412 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Sugar + lemontop 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).
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
- Egg whites
- Whipped into foam, they lighten the texture and make the ice cream airy and smooth.
- Sugar
- Dissolves into the grape juice to sweeten it and softens the frozen texture.
- Red tokay grapes
- Provide the main fruit flavor and color of the ice cream base.
- Lemon
- Adds acidity that brightens the sweet grape flavor.
The step that matters
Fold the whipped egg whites into the grape mixture. Stiff egg whites trap air that gives lightness; deflating them by stirring vigorously or over-mixing loses that volume and makes the ice cream dense.
Swap the grape
How well each one fits the dish's main ingredients (sugar, lemon, orange, egg):
- Vanillafits better
- Limefits better
- Blueberryfits better
- Grapethe original
Fit is the average pairing score against sugar, lemon, orange, 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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