Why it works: Cucumber and borage share more aroma than cooks usually use. They rank in the top 1% of all ingredient pairs, and cooks put them together in 44 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Claret Cup
Ingredients
Directions
Make the cup
Cut the cucumber into thick slices and add to a large jug with the claret.
Add the balm, borage, seltzer water, and sifted sugar or crushed sugar candy.
Stir well and cover the jug, then place it on ice for 1 hour.
Strain and serve
Strain out the herbs and cucumber, pour into a decanter, and serve.
If you don't have time to ice the cup, break up ½ pound of clear ice into small pieces, stir into the claret, and use less seltzer water.
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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Cucumber + boragetop 1% of all pairsSmell alikestrongCooked together44 recipes
Shared aroma: coumarin (sweet, hay).
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Borage + brandytop 18% of all pairsSmell alikelowCooked together72 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + brandytop 19% of all pairsSmell alikelowCooked together11,939 recipes
Shared aroma: beta-damascenone (apple, rose).
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Borage + sugartop 25% of all pairsSmell alikemoderateCooked together129 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
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Cucumber + brandytop 26% of all pairsSmell alikelowCooked together97 recipes
Shared aroma: linalool (floral, citrus).
Sugar and brandy barely smell alike, yet cooks put them together in 11,939 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
- Claret
- Forms the wine base that carries the flavour of the whole cup.
- Sugar
- Adds sweetness to balance the wine and the sharpness of the cucumber.
- Seltzer water
- Adds dilution and light carbonation, making the cup lighter and more refreshing.
- Cucumber
- Adds fresh, mild aroma and a cool, clean flavour to the cup.
The step that matters
Chilling on ice for 1 hour. Cold slows the evaporation of aromatics and keeps the wine crisp, so the cucumber and herbs flavour the cup without it tasting warm or flat.
Swap the cucumber
How well each one fits the dish's main ingredients (borage, sugar, brandy):
- Arrowrootfits about as well
- Cucumberthe original
- Beetrootfits about as well
- Lettucefits less well
Fit is the average pairing score against borage, sugar, brandy. 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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